Magma that cools and crystallizes on Earth's surface forms igneous rocks. Igneous rock is classified as intrusive or extrusive, intrusive igneous rock forms below the earth's surface, extrusive forms on the earth's surface so the answer to your question is Extrusive Igneous rock.
Answer:
The circulatory system delivers oxygen and nutrients to cells and takes away wastes.
Explanation:
a population can become more adapted to its environment through natural selection. natural selection is a process by which organisms that are well adapted to their environment survives and produce more offspring. The least adapted organism die and are unable to give rise to new generation with characteristics that are not well adapted to the environment. the process is also referred to as survival for the fittest. this is the main process that brings about evolution. the theory of natural selection was fully expounded by scientist Charles Darwin.
Take a chisel and a hemmer to carefully carve around the fossil to not damage it. then they study it
The correct answer that would best complete the given statement above would be option A. <span>Studies of healthy people indicate that functioning of the human body remains essentially constant until the age of 70 or about 70 years old. Hope this answers your question. </span>