Answer:
It was established on June 18 of 1981.
The correct answer would be A.
Answer:
light energy
Explanation:
Plants take in sunlight given off by the sun to make food during photosynthesis
Chromosomes are the homologous chromosomes that cross over
The given blank can be filled with the production of endorphins.
The endorphins are the hormones, which are responsible for the activation of the opiate receptors in the body. They are the natural pain killers. The activation of the opiate receptors causes the analgesic effects on the body.
These endorphins are secreted in the brain and the nervous system. The effect of the endorphins is similar to that of the morphine.
