A.
Energy is lost when machines don’t work right.
B.
We can’t add more energy to the universe.
C.
We can’t destroy energy that exists in the universe.
D.
Energy changes from one form to another.
Answer: True
Explanation: any and all of the actions performed by an organism, often in response to its environment or to the actions of another organism this is
behavior
Answer:
True
Explanation:
Periaqueductal gray matter is found in the middle portion of brain. When this grey matter is stimulated it activates neurons that releases enkephalin. Enkephalin further direct the stimulation to the raphe nuclei with in the brain stem that releases serotonin. In this process, the ascending and descending axons are released from
a) subcortical nuclei
b) spinal trigeminal nuclei
c) the spinal cord
Hence, the given statement is true
Answer:
b
Explanation:
a semi permeable membrane requires no energy since it allows safe passage of molecules from low to high think of it like a tea bag it has a high concentration and the low concentration is the hot water.
I hope it helps
