<span>Faunal succession recognized in the sequence of fossils in stratified sedimentary rocks was a key concept that led to the concept of evolution of life on Earth</span>. T<span>his principle is from Willian Smith, an English geologist. It used to determine the age of the rocks and strata.</span>
Answer:
The labor force is more important for the strength of the economy.
Explanation:
Having a labor force helps keep unemployment low.
Ammonia A ..... c,b,d all come from crude oil
B; As far as the relation between humans and the environment, it is obvious how much they relied on it. Not only as a food source, but for economic growth and sustainability as well. The other answers make valid points but in the context of this question, the only one that even mentions the relation is B.
Yes it is within the past 500 years.
ps. could i please get a brainliest please
