Name a component of gasoline that has been classified by the U.S. EPA as a "known human carcinogen".

Name a component of gasoline that has been classified by the U.S. EPA as a "known human carcinogen". 
by

1 Answer

Answer :

ANSWER: XENZENE
by

Related questions

The U.S. EPA recently concluded that environmental tobacco smoke should be considered (quote) w) "a possible human teratogen" x) "a priority air pollutant" y) "a known human carcinogen" z) "a possible human carcinogen"

Description : The U.S. EPA recently concluded that environmental tobacco smoke should be considered (quote) w) "a possible human teratogen" x) "a priority air pollutant" y) "a known human carcinogen" z) "a possible human carcinogen" 

Last Answer : ANSWER: Y -- A KNOWN HUMAN CARCINOGEN 

If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane

Description : If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane 

Last Answer : ANSWER: W -- WATER 

What are the names of the cycles in a 4-stroke gasoline engine?

Description : What are the names of the cycles in a 4-stroke gasoline engine?

Last Answer : ANSWER: COMPRESSION; IGNITION; POWER; EXHAUST (take in any order)  

Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%

Description : Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%

Last Answer : ANSWER: Y -- 20%

An important safety feature required at U.S. nuclear power plants that was not present at the Chernobyl Power Plant in the Soviet Union was the: w) reactor x) cooling water y) control rods z) containment building

Description : An important safety feature required at U.S. nuclear power plants that was not present at the Chernobyl Power Plant in the Soviet Union was the: w) reactor x) cooling water y) control rods z) containment building

Last Answer : ANSWER: Z -- CONTAINMENT BUILDING

The U.S. population receives the largest dose of ionizing radiation from: w) natural sources. x) fallout from nuclear weapons testing. y) nuclear medicine. z) nuclear power plants.

Description : The U.S. population receives the largest dose of ionizing radiation from: w) natural sources. x) fallout from nuclear weapons testing. y) nuclear medicine. z) nuclear power plants.

Last Answer : ANSWER: W -- NATURAL SOURCES.

In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Description : In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Last Answer : ANSWER: Y -- 35 PERCENT 

The majority of the U.S. electricity generating plant use what thermodynamic cycle?

Description : The majority of the U.S. electricity generating plant use what thermodynamic cycle?

Last Answer : ANSWER: RANKINE

What weather phenomenon causes more deaths in the U.S. annually than any other except lightning?

Description : What weather phenomenon causes more deaths in the U.S. annually than any other except lightning?

Last Answer : ANSWER: TORNADOES

For a DC motor, what major component in addition to the field winding and the armature winding is necessary? w) a commutator x) a stator y) a battery z) a rotor

Description : For a DC motor, what major component in addition to the field winding and the armature winding is necessary? w) a commutator x) a stator y) a battery z) a rotor

Last Answer : ANSWER: W -- A COMMUTATOR

A color television set employs a 25,000 volt electron accelerator to produce the picture and potentially harmful radiation which must be shielded against. The main component of this radiation consists of w) electrons which penetrate the picture tube x) soft x-rays y) microwaves z) ultraviolet radiation

Description : A color television set employs a 25,000 volt electron accelerator to produce the picture and potentially harmful radiation which must be shielded against. The main component of this radiation consists ... which penetrate the picture tube x) soft x-rays y) microwaves z) ultraviolet radiation 

Last Answer : ANSWER: X -- SOFT X-RAYS

What compound is a common component of air pollution, but is essential in the upper atmosphere to protect life on earth?

Description : What compound is a common component of air pollution, but is essential in the upper atmosphere to protect life on earth?

Last Answer : ANSWER: OZONE

The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Description : The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Last Answer : ANSWER: X -- U-238 IS CONVERTED TO Pu-239, WHICH UNDERGOES FISSION. 

The uranium fuel used worldwide is mainly in the form of: w) U3O8 x) UO2 y) UF6 z) U metal

Description : The uranium fuel used worldwide is mainly in the form of: w) U3O8 x) UO2 y) UF6 z) U metal

Last Answer : ANSWER: X -- UO2

In the human body, what tendon attaches the gastrocnemius muscle to the calcaneus bone?

Description : In the human body, what tendon attaches the gastrocnemius muscle to the calcaneus bone? 

Last Answer : ANSWER: ACHILLES TENDON

In daylight the human eye is most sensitive to which color? w) Green x) Red y) Blue z) Orange

Description : In daylight the human eye is most sensitive to which color? w) Green x) Red y) Blue z) Orange

Last Answer : ANSWER: W -- GREEN 

Who is known as the Father of the Atomic Bomb? w) Albert Einstein x) J. Robert Oppenheimer y) General Leslie Groves z) Edward Teller

Description : Who is known as the Father of the Atomic Bomb? w) Albert Einstein x) J. Robert Oppenheimer y) General Leslie Groves z) Edward Teller 

Last Answer : ANSWER: X -- J. ROBERT OPPENHEIMER

Only one tree is known to live longer than the Giant Sequoia. Is this tree: w) Bristlecone pine x) Grey Oak y) Japanese Chestnut z) Ponderosa pine

Description : Only one tree is known to live longer than the Giant Sequoia. Is this tree: w) Bristlecone pine x) Grey Oak y) Japanese Chestnut z) Ponderosa pine 

Last Answer : ANSWER: W -- BRISTLECONE PINE

Name the tropical American tree which produces the least dense wood known?

Description : Name the tropical American tree which produces the least dense wood known?

Last Answer : ANSWER: XALSA

Who was known as "The Wizard of Menlo Park"?

Description : Who was known as "The Wizard of Menlo Park"?

Last Answer : ANSWER: EDISON

Wmong well-known examples of this formation are Grindelwald in Switzerland, Bossons in France, Dinwoody in the United States, and Wilson Piedmont in Antarctica. Identify these cool formations.

Description : Wmong well-known examples of this formation are Grindelwald in Switzerland, Bossons in France, Dinwoody in the United States, and Wilson Piedmont in Antarctica. Identify these cool formations. 

Last Answer : ANSWER: GLACIERS

What kind of poisoning is known as plumbism (pron: plum - biz - em)?

Description : What kind of poisoning is known as plumbism (pron: plum - biz - em)? 

Last Answer : ANSWER: LEAD POISONING

The art of growing dwarfed trees in small pots, a technique perfected by the Japanese, is known as what?

Description : The art of growing dwarfed trees in small pots, a technique perfected by the Japanese, is known as what?

Last Answer : ANSWER: BONSAI (pron: bone-sigh)

This black engineer was granted a patent in 1872 for the first automatic oil lubricator. The lubricating cup regulated the flow of oil onto moving parts of machines, revolutionizing the machine industry. Was this well-known inventor: w) Elijah McCoy x) Lewis Latimer y) Leonard McFall z) Branville Woods

Description : This black engineer was granted a patent in 1872 for the first automatic oil lubricator. The lubricating cup regulated the flow of oil onto moving parts of machines, revolutionizing the machine industry. ... well-known inventor: w) Elijah McCoy x) Lewis Latimer y) Leonard McFall z) Branville Woods

Last Answer : ANSWER: W -- ELIJAH McCOY

This woman scientist was the oldest daughter of another very well-known woman scientist. She was the second woman in history to win a Nobel Prize in science, receiving the prize in 1935 for her work in synthesizing new radioactive elements. Who is this famous woman scientist?

Description : This woman scientist was the oldest daughter of another very well-known woman scientist. She was the second woman in history to win a Nobel Prize in science, receiving the prize in 1935 for her work in synthesizing new radioactive elements. Who is this famous woman scientist?

Last Answer : ANSWER: IRENE JOLIET-CURIE

Radioisotopes which are used in medical diagnosis are known as what? w) tracers x) silver bullets y) markers z) dyes

Description : Radioisotopes which are used in medical diagnosis are known as what? w) tracers x) silver bullets y) markers z) dyes

Last Answer : ANSWER: W -- TRACERS

Which continent has the largest KNOWN deposits of coal?

Description : Which continent has the largest KNOWN deposits of coal?

Last Answer : ANSWER: NORTH AMERICA

In 1991, critical habitat was designated for this well-known species in the states of Washington, Oregon and California. w) brown bear x) northern spotted owl y) bald eagle z) snail darter

Description : In 1991, critical habitat was designated for this well-known species in the states of Washington, Oregon and California. w) brown bear x) northern spotted owl y) bald eagle z) snail darter

Last Answer : ANSWER: X -- NORTHERN SPOTTED OWL

The per capita birth rate of a population is known as its: w) mortality x) natality (pron: nay-tal-eh-ty) y) population density z) carrying capacity

Description : The per capita birth rate of a population is known as its: w) mortality x) natality (pron: nay-tal-eh-ty) y) population density z) carrying capacity

Last Answer : ANSWER: X -- NATALITY

Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States

Description : Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States 

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS 

High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit

Description : High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit

Last Answer : ANSWER: Z -- -350 DEGREES FAHRENHEIT  

Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.

What is the name given to the invasion of warm surface waters off the Peruvian coast that has been identified with strange climactic effects in recent years?

Description : What is the name given to the invasion of warm surface waters off the Peruvian coast that has been identified with strange climactic effects in recent years?

Last Answer : ANSWER: EL NI¥O

What is given to wood whose normal cells have been replaced with mineral deposits?

Description : What is given to wood whose normal cells have been replaced with mineral deposits?

Last Answer : ANSWER: PETRIFIED WOOD

In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Description : In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Last Answer : Answer : C

A substance that stimulates the production of antibodies when introduced into a living organism is known as— (1) carcinogen (2) androgen (3) antigen (4) oestrogen

Description : A substance that stimulates the production of antibodies when introduced into a living organism is known as— (1) carcinogen (2) androgen (3) antigen (4) oestrogen

Last Answer : (3) antigen Explanation: Antigens are the substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of ... of a protein is determined by its sequence of amino acids as well as by its conformation.

What organization has published safety guidelines for the maximum limits of RF energy near the human body? A. The American National Standards Institute (ANSI). B. The Environmental Protection Agency (EPA). C. The Federal Communications Commission (FCC). D. The Institute Of Electrical and Electronics Engineers (IEEE).

Description : What organization has published safety guidelines for the maximum limits of RF energy near the human body? A. The American National Standards Institute (ANSI). B. The Environmental Protection ... Communications Commission (FCC). D. The Institute Of Electrical and Electronics Engineers (IEEE).

Last Answer : A. The American National Standards Institute (ANSI).

he system of ............... generally ran one job at a time. These were called single stream batch processing. A) 40's B) 50's C) 60's D) 70's

Description : he system of ............... generally ran one job at a time. These were called single stream batch processing. A) 40's B) 50's C) 60's D) 70's

Last Answer : B) 50's

Distemper is used to coat a) External concrete services b) Internal surfaces not exposed to weather* c) Woodwork d) Compound walls

Description : Distemper is used to coat a) External concrete services b) Internal surfaces not exposed to weather* c) Woodwork d) Compound walls

Last Answer : b) Internal surfaces not exposed to weather*

Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change un burnt hydrocarbons into

Description : 10. Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change un burnt hydrocarbons into (a) carbon dioxide and water (b) carbon mono oxide (c) methane (d) carbon dioxide and methane.

Last Answer : (a) carbon dioxide and water

Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water

Description : Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water 

Last Answer : ANSWER: Z -- DEPTH OF THE WATER 

Dante is the name of an eight-legged robot designed to repel into the crater of Erebus. This volcano is located in w) Italy x) the Hawaiian chain y) Antarctica z) Japan

Description : Dante is the name of an eight-legged robot designed to repel into the crater of Erebus. This volcano is located in w) Italy x) the Hawaiian chain y) Antarctica z) Japan 

Last Answer : ANSWER: Y -- ANTARCTICA 

In 1991, the frozen body of a late stone age man was found amazingly intact in the Alps near the Italian-Austrian border. Its age was determined to be about: w) 2,200 years x) 5,300 years y) 12,800 years z) 30,000 years

Description : In 1991, the frozen body of a late stone age man was found amazingly intact in the Alps near the Italian-Austrian border. Its age was determined to be about: w) 2,200 years x) 5,300 years y) 12,800 years z) 30,000 years

Last Answer : ANSWER: X -- 5,300 YEARS

Movement exhibited by plants toward the "center of the Earth" is called?

Description : Movement exhibited by plants toward the "center of the Earth" is called? 

Last Answer : ANSWER: GEOTROPISM 

What is the phase relationship between the voltage and current in a capacitor?

Description : What is the phase relationship between the voltage and current in a capacitor? 

Last Answer : ANSWER: X -- CURRENT LEADS BY 90 DEGREES

The sun makes up approximately what percent of matter in our solar system? w) 17% x) 50% y) 85% z) 99%

Description : The sun makes up approximately what percent of matter in our solar system? w) 17% x) 50% y) 85% z) 99% 

Last Answer : ANSWER: Z -- 99% 

Deforestation is not a major environmental problem in w) the Amazon x) Borneo y) Oregon z) West Germany

Description : Deforestation is not a major environmental problem in w) the Amazon x) Borneo y) Oregon z) West Germany

Last Answer : ANSWER: Z -- WEST GERMANY 

Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould

Description : Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould 

Last Answer : ANSWER: W -- JOHN TYNDALL  

What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band? w) 3 to 30 Mega Hertz x) 30 to 300 Mega Hertz y) 300 to 3,000 Mega Hertz z) 30,000 to 300,000 Mega Hertz

Description : What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band? w) 3 to 30 Mega Hertz x) 30 to 300 Mega Hertz y) 300 to 3,000 Mega Hertz z) 30,000 to 300,000 Mega Hertz

Last Answer : ANSWER: Y -- 300 to 3,000 MEGA HERTZ

If a quiet whisper is 10 decibels, then what is the average pain threshold in decibels for humans?

Description : If a quiet whisper is 10 decibels, then what is the average pain threshold in decibels for humans?

Last Answer : ANSWER: 120 DECIBELS (ACCEPT 110 TO 130)