The answer to your question is D. because fossil fuels are natural substances found in nature.
The mantle is the most dense (pretty sure at least)
The Scientific Method is a logical and rational order of steps by which scientists come to conclusions about the world around them. The Scientific Method helps to organize thoughts and procedures so that scientists can be confident in the answers they find. ... HYPOTHESIS is the answer you think you'll find.
Answer:
The correct answer is option A. "V(D)J recombination is similar to the replicative transpositional mechanism".
Explanation:
V(D)J recombination and the replicative transpositional mechanism are very different biological processes. V(D)J recombination is an unique mechanism that takes place by somatic recombination and results in the highly diverse repertoire of antibodies. On the other hand, the replicative transpositional mechanism takes place when a transposable element is duplicated during replication.
the greatest biomass in most ecosystems are producers. This occurs because producers get there energy from the sun, the sun is the most available resource and so there are the most at that level.tion: