Answers are A,B,and D
C was done by Michelangelo
I beleive the answer would be B: Buring fuel
Answer:
Geochronology. The two igneous clasts—an andesite clast and a metatonalite clast—separated from the upper Pottsville Formation yields an age of ∼323 and ∼295 Ma, respectively.
Answer:
Push-pull theory
Explanation:
Push-pull theory is important to study because it determines the reason to leave a place or attracted immigrants from other places in search of better economic opportunities, social security, etc. The push factors are those which force a population to leave their country and migrate to another place. Pull factors are those which give reason to the population from other countries settle in the foreign country for various reasons.