I believe its D. response neuron.
Hope this helps!
Love, Grace-
Answer:
Both are breathing muscles
Explanation:
When rib muscles and the diaphragm contract they increase the volume of the chest cavity, increasing the air pressure outside the body, causing air to rush into the lungs to fill the vacuum created by the increase in volume.
The anwser should be B. Nonrenewable resources generally have a higher impact on the environmental than renewable resources.
Answer:
The krebs cycle produces two ATP and energy carrying molecules that are used to produce more ATP in the electron transport chain.
Explanation: