Answer:
Because water is becoming scarce
Explanation:
Due to over using, global heating, etc. water is lessening.
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<span>Midbrain also called the mesencephalon</span>
Answer: Petrolatum, lanolin, mineral oil and dimethicone are common emollients. Humectants, including glycerin, lecithin, and propylene glycol, draw water into the outer layer of skin.
Answer:
Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber. The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions. The calcium ions diffuse into the muscle fiber.
Explanation: