Answer: Air pollution is responsible for seven million deaths each year in the US
Explanation: https://www.who.int/health-topics/air-pollution#:~:text=The%20combined%20effects%20of%20ambient,cancer%20and%20acute%20respiratory%20infections.
is important to the transmission of nerve impulses.
a) Zinc
b) Calcium
c) Sodium
d) Iron

Isotonic solution. Hypotonic is less salt concentration and hypertonic is more
Answer:
Heat transfer, whether from the air, sunlight, another water source or thermal pollution can change the temperature of water. Water temperature plays a major role in the quality of aquatic life and habitats. Heat flow and the fluctuation of temperature determine what species will live and thrive in a body of water.
Explanation:
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