The natural process by which the ozone layer get depleted are sun spots and atmospheric winds. The volcanic eruptions are also responsible for the depletion of the ozone layer.
The thinning of the ozone layer, which is present in the upper atmosphere is called ozone layer depletion. These natural processes causes and some chemicals compounds releases chlorine and bromine, which in exposure of high ultraviolet light causes the depletion of ozone.
The ozone layer found in the stratosphere of the earth atmosphere. This region protects the earth from harmful ultraviolet radiation of the sun. It has potential to absorb around 99% of the harmful ultraviolet radiation.
The main causes of ozone depletion are chloroflorocarbons, carbon tetrachloride, methylbromide. The natural processes does not cause more that 1 to 2 % of the ozone depletion.
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C.) Antigen on the red blood cells
Answer:
An oncogene is a gene that has the potential to cause cancer. In tumor cells, these genes are often mutated, or expressed at high levels. Most normal cells will undergo programmed form of rapid cell death when critical functions are altered and malfunctioning
Explanation:
Because they can look back and see what they did wrong or try to modify their hypothesis.
each cell carrys cytoplasm, where chemical reactions occur in the cell.
