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serious [3.7K]
3 years ago
12

Which best describes the structure of a DNA molecule?

Biology
1 answer:
SOVA2 [1]3 years ago
6 0

Answer:

A

Explanation:

the best choose is A..........

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Which might have more mitochondria, a muscle cell or a bone cell? why?
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In 6-8 sentences, explain how stream volume and speed affect the size, shape, and flow of streams and rivers. please help me and
nikdorinn [45]

Explanation:

The speed of water in a stream is affected by the gradient of the geography. The steeper the geography the higher the speed of the water flow and the higher the erosion capacity of the stream. This means the stream will be narrow and deep. There is also less meandering of the stream.

When the gradient is less steep, the stream flow slows down and so does the erosion force it bears especially on the river bed. This therefore result in a higher horizontal erosion than vertical erosion. The steam becomes wide and shallow. The stream is also more likely to meander.

The volume of water in the stream also affects the size, shape, and flow of streams and rivers. A higher volume of water has more erosion power due to the weight of the water column. The stream is, therefore, more likely to be bigger in size than a stream that carries low water volume.  

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7 0
3 years ago
How does an underestimate relate to rounding factors before estimating?
Mashutka [201]
<span>If factors are only rounded up, then the estimate is an overestimate. If factors are only rounded down, then the estimate is an underestimate. When some factors are rounded up and some are rounded down, it is harder to tell whether the estimate is an overestimate or an underestimate.</span>
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The Cenozoic era is best described as the era in which
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This is the era of recent life that began about 66 million years ago and continues today. It includes the first appearance and Homo sapiens about 400,000 years ago. <span />
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