Question #12 Keyana likes to swim at an outdoor pool, and her skin color becomes darker after a few days of
swimming. What is true about Keyana's skin color after swimming outdoors for a few days?
А.
Keyana's skin color is only inherited.
B
Keyana's skin color is only acquired.
С
Keyana's skin color is both inherited and acquired.
Keyana's skin color is neither inherited nor acquired.
2

human-caused climate hope this

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.