Answer:
Cells duplicate their DNA when they decide they need to divide. Cells divide for three main reasons: growth, repair, and reproduction. This could be during mitosis or meiosis. Mitosis is the dividing of your non-reproductive cells, and meiosis is the dividing of your reproductive cells
Explanation:
Growth. ... When one cell divides into two, both must have a copy of the genetic information. Therefore, before cell division occurs, the genes must also make duplicates of themselves so that all of the important genetic information ends up in each of the new cells.
There are at least 50 reasons why you can't.
The only other detail I want to mention just now is that China is NOT
directly opposite the US. An area in the Indian Ocean is.
So if you were digging to China, you would have to go off at a skew,
NOT through the center of the Earth.
Answer: an ice age
Explanation:
An ice age refers to a period of prolonged continental glaciation. An ice age refers to a period when the temperature of the Earth's climate is very low for a long period of time.
This then brings about an expansion of the polar ice sheets, mountain glaciers and the continental ice sheets. Ice age, can also be referred to as the glacial age, and it's a period when there are thick ice sheets that cover areas of land.
<span>Downcutting (also known as rejuvenation) of a stream may be due to the uplift of land. It is a process by the action of the hydraulic that makes the channel of the valley or stream by simply get rid of any material on the floor of valleys and streams. Downcutting speed is determined by the base level of the stream. It is the lowermost point that a valley or streams can lose.</span>