Answer:
Hypoxia is believed to be caused primarily by excess nutrients delivered from the Mississippi River in combination with seasonal stratification of Gulf waters. ... Stratification of fresh and saline waters prevents oxygen replenishment by mixing of oxygen-rich surface water with oxygen-depleted bottom water.
Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically.
Answer:
O N C H
Explanation:
Oxygen has more valence electrons present in its outermost shell which is why it is the most electrovalent.
Nitrogen follows suit too while the remaining aren’t electronegative but electropositive
<span>The outermost layer of the brain, the cerebral cortex, is housed in the cerebrum.</span>
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