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Answer:
The Sun produces a light by nuclear reaction called fusion.
Explanation:
Atoms of hydrogen combine to form helium, they produce vast amounts of heat and light.
Answer is: a secretary smokes a cigarette in a crowded break room.
External cost Is when consuming a good or servise imposes a cost to a third party. In this case, smoking affects other people in break room, causing pollution and health related problems.
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. <span>Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.</span>
Answer:
A
Explanation:
a theory is usually supported by evidence or another laws rules. it must have pretty strong evidence, but it can NOT become a law. a law is set in stone, and proved by math.
