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butalik [34]
3 years ago
13

Living things without a cell

Biology
1 answer:
qwelly [4]3 years ago
4 0
Viruses are the only thing considered to be a living thing without cells, as they attach themselves to cells to multiply.

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A doctor reports a single occurrence of a disease to the Centers for Disease Control as a disease outbreak. Which of these facto
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The disease has been absent from the population for a long time.

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it requires 12 hours to fill 3/5 of a swimming pool at this rate how many hours is required to fill the remainder pool
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So if you take the 12 hours that it takes to fill the swimming pool 3/5 way then u divide 12 by 3 and you would get 4 which would mean each quarter took 4 hours then it would take 8 more hours to fill the rest of the swimming pool
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Which is a common characteristic of extrusive igneous rock?
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Answer:

Extrusive igneous rock is formed by the crystallization of magma release after volcanic eruption at the Earth surface. They are characterized by fine grained textures because of rapid cooling they do not form large crystals. Extrusive rocks  with fine grained textures are called aphanitic rocks. The most common extrusive igneous rock is basalt. Other examples include rhyolite, andesite and obsidian. Extrusive igneous rocks erupt quickly and they form small crystals. Some of these rocks cools slowly that they form glass. These rocks includes andesite, basalt, dacite, obsidian, pumice, rhyolite, scoria and tuff.  

The common characteristic of extrusive igneous rock is the b. forms crystals

Rapid cooling of magma produces small crystal rocks.

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How would the experiment need to be modified in order to determine whether the amount of vitamin A absorbed by the body is depen
melomori [17]

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The experiment should have more different subject groups, with each group consuming a different amount of beta carotene.

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When designing an experiment, to determine the effect of the amount of a substance, the experimental design should be done to accommodate more than two experimental group with each group treated with different amount of the substance and also a control group. This will enable the researcher to determine the effect of the different ranges of amount.

In the example, in other to determine if vitamin A is dependent of the amount of beta carotene consumed, there should be more different subject groups, with each group consuming a different amount of beta carotene.

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