What is the geologic time scale means visible life?

What is the geologic time scale means visible life?
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What is a geologic time scale?

Description : What is a geologic time scale?

Last Answer : The geologic time scale is a system of chronological dating that divides Earth's history into a series of time intervals (such as epochs and periods) based on major geological and biological events.

How do fossils relate to the geologic time scale?

Description : How do fossils relate to the geologic time scale?

Last Answer : Each genus and species represents a particular stage ingeological time, so if you find an exposure bearing a particular,identifiable fossil species it can be "correlated" in age anddepositional environment with other formations already know to bearthe same fossils.

How old are the rocks of the Grand Canyon Super group Where does that fit in on the geologic time scale?

Description : How old are the rocks of the Grand Canyon Super group Where does that fit in on the geologic time scale?

Last Answer : hi

What do scientists use to mark boundaries in the geologic time scale?

Description : What do scientists use to mark boundaries in the geologic time scale?

Last Answer : fossils

How are eras and periods of the geologic time scale named?

Description : How are eras and periods of the geologic time scale named?

Last Answer : a

What is the approximate length of geologic time scale?

Description : What is the approximate length of geologic time scale?

Last Answer : The presence or absence of fossils has been used to compare the relative ages of rocks around the world and to arrange sedimentary rocks into a geologic time scale. Eons are the largest intervals of the time scale and range from 540 to 2,050 million years in length

The emergence of land plants is generally accepted as occurring during what period on the geologic time scale: w) Cretaceous x) Triassic y) Permian z) Silurian

Description : The emergence of land plants is generally accepted as occurring during what period on the geologic time scale: w) Cretaceous x) Triassic y) Permian z) Silurian

Last Answer : ANSWER: Z -- SILURIAN

On the Phanerozoic time scale, which of the following geologic periods occurred approximately 65 to 136 million years ago? Is it: w) Cambrian x) Ordovician y) Carboniferous z) Cretaceous

Description : On the Phanerozoic time scale, which of the following geologic periods occurred approximately 65 to 136 million years ago? Is it: w) Cambrian x) Ordovician y) Carboniferous z) Cretaceous

Last Answer : ANSWER: Z -- CRETACEOUS

The Miocene, Eocene and Paleocene epoches belong t what geologic period on the Phanerozoic Time Scale? Is it the: w) Devonian x) Permian y) Triassic (pron: try-as-ick) z) Tertiary

Description : The Miocene, Eocene and Paleocene epoches belong t what geologic period on the Phanerozoic Time Scale? Is it the: w) Devonian x) Permian y) Triassic (pron: try-as-ick) z) Tertiary

Last Answer : ANSWER: Z -- TERTIARY 

On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Last Answer : ANSWER: W -- CAMBRIAN

On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Last Answer : ANSWER: Z -- SILURIAN

On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian

Last Answer : ANSWER: X -- PERMIAN

What does the geologic time scle indicate about the change in life-forms over time?

Description : What does the geologic time scle indicate about the change in life-forms over time?

Last Answer : Feel Free to Answer

what's eating edges of my staghorn fern? Possible but doubtful it's scale & nothing else visible

Description : what's eating edges of my staghorn fern? Possible but doubtful it's scale & nothing else visible

Last Answer : Need Answer

What are the major geologic time eras listed from oldest to youngest?

Description : What are the major geologic time eras listed from oldest to youngest?

Last Answer : Need answer

What geologic time span covers the majority of earths history?

Description : What geologic time span covers the majority of earths history?

Last Answer : Feel Free to Answer

Which of the following time periods includes part of the geologic range of dinosaurs? w) Mississippian x) Devonian y) Jurassic z) none of the above

Description : Which of the following time periods includes part of the geologic range of dinosaurs? w) Mississippian x) Devonian y) Jurassic z) none of the above

Last Answer : ANSWER: Y -- JURASSIC 

What geographic and/or geologic changes would have to occur, so that Syria would become Iran's "route to the sea"?

Description : What geographic and/or geologic changes would have to occur, so that Syria would become Iran's "route to the sea"?

Last Answer : Can he see Iran from his back door?

Is there a place on earth that has all the layers of geologic column?

Description : Is there a place on earth that has all the layers of geologic column?

Last Answer : The geological column is the theoretical classification system for the minerals and fossils that make up the Earth's crust

What geologic feature is composed of the youngest crustal bedrock?

Description : What geologic feature is composed of the youngest crustal bedrock?

Last Answer : Need answer

What are plant and animals that remain used to define and identify geologic periods?

Description : What are plant and animals that remain used to define and identify geologic periods?

Last Answer : lol, I was just on this question and got it wrong. the right answer is Index Fossils

What is in unconformity when referring to the geologic record?

Description : What is in unconformity when referring to the geologic record?

Last Answer : Need answer

Why that the geologic structure near the location of the metallic deposits of gold?

Description : Why that the geologic structure near the location of the metallic deposits of gold?

Last Answer : Feel Free to Answer

How plate tectonics result in the development of earths major geologic features?

Description : How plate tectonics result in the development of earths major geologic features?

Last Answer : No movement

What are examples of geologic features?

Description : What are examples of geologic features?

Last Answer : What is the answer ?

What geologic structures are found near location of the metallic deposite?

Description : What geologic structures are found near location of the metallic deposite?

Last Answer : Near all over the regions of the phiippines

How plate tectonics result in the development of earths major geologic features?

Description : How plate tectonics result in the development of earths major geologic features?

Last Answer : No movement

What geologic period did the dodo bird live in?

Description : What geologic period did the dodo bird live in?

Last Answer : The last dodo was seen in 1662. This is the Holocene period.

Which of these is an example of a gradual geologic process?

Description : Which of these is an example of a gradual geologic process?

Last Answer : continental drift

Which of the following is not categorised under geologic hazard? (A) Tropical cyclone (B) Earthquakes (C) Volcano (D) Floods

Description : Which of the following is not categorised under geologic hazard? (A) Tropical cyclone (B) Earthquakes (C) Volcano (D) Floods

Last Answer : Tropical cyclone

What is meant by geologic cycle? State the types of weathering and explain brief.

Description : What is meant by geologic cycle? State the types of weathering and explain brief.

Last Answer : Geologic cycle: The most important of these begins with molten magma from within the earth crystallizing into rock then continues with the rock being broken down into soil and that soil then being ... the break down and decay of rock indeed their part in soil formation is of major significance

A geologic feature called a kimberlite indicates the possibility of thepresence of which of the following? w) rubies x) diamonds y) sapphires z) opals

Description : A geologic feature called a kimberlite indicates the possibility of thepresence of which of the following? w) rubies x) diamonds y) sapphires z) opals

Last Answer : ANSWER: X -- DIAMONDS

Which geologic period does not belong in the Mesozoic era? w) Permian x) Cretaceous y) Triassic z) Jurassic

Description : Which geologic period does not belong in the Mesozoic era? w) Permian x) Cretaceous y) Triassic z) Jurassic

Last Answer : ANSWER: W -- PERMIAN

Of the following four geologic periods, which is the most recent? w) Devonian x) Silurian y) Permian z) Jurassic

Description : Of the following four geologic periods, which is the most recent? w) Devonian x) Silurian y) Permian z) Jurassic

Last Answer : ANSWER: Z -- JURASSIC

Of the following four geologic periods, which is the oldest? w) Devonian x) Silurian y) Permian z) Jurassic

Description : Of the following four geologic periods, which is the oldest? w) Devonian x) Silurian y) Permian z) Jurassic

Last Answer : ANSWER: X -- SILURIAN

Recent discoveries of ancient cratering near the Yucatan Peninsula support the theory that a meteor or cometary impact may have resulted in mass extinctions of species on Earth about 65 million years ago. During which geologic period is that impact thought to have occurred? w) Permian x) Triassic y) Jurassic z) Cretaceous

Description : Recent discoveries of ancient cratering near the Yucatan Peninsula support the theory that a meteor or cometary impact may have resulted in mass extinctions of species on Earth about 65 million years ago. ... is that impact thought to have occurred? w) Permian x) Triassic y) Jurassic z) Cretaceous 

Last Answer : ANSWER: Z -- CRETACEOUS 

The Nuclear Waste Policy Act of 1982 and amendments require what Federal agency to site, construct and operate a geologic repository for disposal of high-level nuclear waste?

Description : The Nuclear Waste Policy Act of 1982 and amendments require what Federal agency to site, construct and operate a geologic repository for disposal of high-level nuclear waste?

Last Answer : ANSWER: U.S. DEPARTMENT OF ENERGY

If Vampires cast no shadows, and are not visible in reflections, it means their bodies do not interact with physical light. So, how are they visible at all?

Description : If Vampires cast no shadows, and are not visible in reflections, it means their bodies do not interact with physical light. So, how are they visible at all?

Last Answer : That no reflection thing is sugarcoated Western bullshit. Original vampires from Slavic mythology were ghosts of people that weren't burried properly or were too evil/wicked/ cruel during their lifetime. ... also weren't killed with silver, but by stabbing their vessel body with a wooden spear.

By what means does hand spun khadi provide large-scale employment to weavers ? -SST 10th

Description : By what means does hand spun khadi provide large-scale employment to weavers ? -SST 10th

Last Answer : The hand spun khadi provides large-scale employment to weavers as a cottage industry which can easily be set up in homes.

Economies of Scale means reduction in (1) unit cost of production (2) unit cost of distribution (3) total cost of production (4) total cost of distribution

Description : Economies of Scale means reduction in (1) unit cost of production (2) unit cost of distribution (3) total cost of production (4) total cost of distribution

Last Answer : (1) unit cost of production Explanation: In microeconomics, economies of scale are the cost advantages that an enterprise obtains due to expansion. "Economies of scale" is a long run concept and refers ... in unit cost as the size of a facility and the usage levels of other inputs increase.

Blowdown in a cooling tower (A) Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities (B) Increases the scale forming tendencies of water (C) Is undesirable (D) All (A), (B) & (C)

Description : Blowdown in a cooling tower (A) Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities (B) Increases the scale forming tendencies of water (C) Is undesirable (D) All (A), (B) & (C)

Last Answer : (A) Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities

Large scale African slavery began as a means of: (a) Dispersing the captives of African warfare (b) Dispersing populations from overcrowded areas (c) Supplying labour for New World plantations (d) All of these (e) None of these

Description : Large scale African slavery began as a means of: (a) Dispersing the captives of African warfare (b) Dispersing populations from overcrowded areas (c) Supplying labour for New World plantations (d) All of these (e) None of these

Last Answer : c) Supplying labour for New World plantations

Economies of Scale means reduction in (1) unit cost of production (2) unit cost of distribution (3) total cost of production (4) total cost of distribution

Description : Economies of Scale means reduction in (1) unit cost of production (2) unit cost of distribution (3) total cost of production (4) total cost of distribution

Last Answer : unit cost of production