3 years ago

Standing near a campfire, you can feel heat. This is an example of

1 answer:

3 0

The correct answer is convection because the campfire warms the air around the person.

Convection refers to the transfer of mass motion of a fluid like water or air when the heated fluid is made to be carried away from the heat source, that is, carrying energy with it. Convection takes place when particles with an ample of heat energy in a gas or liquid move and occupy the place of constituents with less heat energy.

Heat energy is conducted from hot places to cooler places by the process of convection.

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Species that provide early warnings of environmental change in a community or an ecosystem are called ____.

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The correct answer is indicator species.

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On average, bone marrow accounts for about 4 percent of a person’s total body mass. If your patient weighs 200 pounds (90.7 kilo

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Many people with blood cancers, such as leukemia and lymphoma, sickle cell anemia, and other life-threatening diseases, rely on bone marrow or cord blood transplants to survive.

Healthy bone marrow and blood cells are needed in order to live. When disease affects bone marrow so that it can no longer function effectively, a marrow or cord blood transplant could be the best treatment option; for some patients it is the only potential cure.

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Look at the diagram above of a marine food web. What might happen to this ecosystem if the non-native populations of smelt and a

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The salmon will not starve as its prey increased.

The smelt is not the predator of the alewife.

The answer is D.

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