DDT was sprayed over an area of land to control a population of insects. It is believed that the pesticide interfered with birds' ability to metabolize calcium. The best explanation for how this pesticide came to affect the eggshells of the birds is that:
A. Fish eaten by the birds had been directly sprayed with DDT
B. The birds were sprayed with DDT
C. DDT washed into local bodies of water, was passed through the food chain consisting of plankton, fish and the birds
D. Insects sprayed with DDT infested the birds' nests

1: the largest region of the brain is the:

  cerebrum

2. the term "psychology" literally means:

the process or procedure of the science or study of the mind.

3. the area of the brain responsible for respiration, heart rate, and smooth muscle control of our blood vessels is t

medulla oblongata

4. the structure that conducts nerve impulses to and from the brain and serves as a reflex center for some sensory information without input from the brain is the:

spinal cord

5. the three-layered membrane that covers the brain and spinal cord and literally means membrane is called the:

meninges

6. the cord-like (string-like) structures that carry bio-electrical impulses from one part of the body to another are called

nerves

7. a group of nerve cell bodies that are found outside of the spinal cord and brain are referred to as:

ganglions or ganglia (pl.) “literal meaning knot”

8. the term that means spinal cord inflammation is:

myel/itis

it is b

explanation: mark brainliest because i am trying to get to the next level and i just need 1 more