In which of the following scenarios does skin help to maintain body temperature? When jumping into cold water, one’s skin releases body heat into the water.
While walking during a hot summer day, sweat on the skin evaporates and cools the body.
After accidentally touching a hot cookie sheet, a blister forms on one’s finger where all the heat entered the body.
After a long run, an Olympic athlete stretches out her arms and legs.

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

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