Oxygen and silicon make up most of earths crust
Spinal cord is the part of the central nervous system which is used to serve as the main communication link between the body and brain
Nervous tissue is made up of neurons and supportive cells. Throughout the human body the neurons carry electrical and chemical signals, while nutrition is provided by the supportive cells.
The fossil record gives evidence of extinct species. The fossil record shows that organisms always remain the same. Which best describes how the fossil record is
Answer:
the answer is B
Explanation:
plants need carbon dioxide to be able to produce anything
