Description : Atolls are most probably formed by: w) a rise in the earth's crust x) sand brought in from the mainland y) collapse of the center of a volcano z) coral reef upbuilding during subsidence
Last Answer : ANSWER: Z -- CORAL REEF UPBUILDING DURING SUBSIDENCE
Description : What was one reason the republicans gained control of southern state governments during reconstruction?
Last Answer : African-American freed slaves in the South faced a number of struggles after the Civil War. ... During this time, the federal government also attempted to provide aid to black ... After the Civil War, Republicans took control of all Southern state .
Description : Probably the most important of the following determinants of the effectiveness of learning is Options: A) The method of presentation B) The need of meaningfulness and understanding C) The concentration of the learning periods D) The degree of over-learning
Last Answer : B) The need of meaningfulness and understanding