<span>All things that are found within the Earth are one way or another, composed of carbon. Carbon is very abundant within metals that are dug from the Earth and they can also be seen making up parts of the human body’s bones to make it light weight. Most scientists believe that throughout the evolution of Earth, carbon has always been present and makes up most of the materials that have existed before. </span>
Virtually any behavior can have sociological imagination<span> applied to it.</span>
Answer:
The biologist is studying about the ecological community.
Explanation:
The ecological community refers to the community in which population of different types of species survives together. As the biologist is observing about the interaction of different populations of Pennsylvania region, it can be inferred that the he is studying about the ecological community of Pennsylvania region.
The population surving in the community interact with each other through different modes of interaction. It may either parasitic, or mutual, or competitive or predication or commercialism.
Answer:
I think so
Explanation:
I'm not sure but in pretty sure that is right