Answer:
I believe the answer is B. X-spongy;Y-marrow
Answer:
I believe the answer is A
Explanation:
I think it is A because the original function of the spinal cord is to complex organization of nerve cells responsible for movement and sensation. It carries signals between the brain and the rest of the body.
The part of Earth that supports life is called as the earth's Crust .
Answer:
The correct answer is most likely benign tumor
Explanation:
By elimination:
Oncogenes are genes, not a mass of cells, so this cannot be the correct answer.
Carcinogens are cancer causing agents, so again, not a mass of cells.
A malignant tumor is a tumor that can spread to other tissues, and is therefore not normal cells.
Benign tumor is the only remaining choice :).
