Answer:
Ventlation or breathing, is the movement of air through the conducting passage between the atmosphere and the the lungs. The air moves through passeng because of pressure gradients that are produced by contraction of the diaphragm and thoracic muscles.
Answer:Whale fall affects ocean deiment because it causes it to move
Explanation:
22. C
23. C
24. A
25. B
26. D
27. C
28. C
Endorphins are brain chemicals
known as neurotransmitters which are released when the body feels a certain
amount of stress and pain. Endorphins alter the communication of pain in the
body by interacting with the opiate receptors and blocking the synapse so that signals
cannot be sent to the brain in order to reduce an individual perception of pain.
An environmental scientist might study the effect of soil pollution on plant growth. This is true.
Hope this helped :)
