Answer:
the correct answer is A please mark me the brainliest
Answer:
In species with polyploid, there are more chromosomal sets than in diploid one. Becouse there are more chromosomal structures available, events like mutation, recombination, DNA lose, are more probable to occur.
As the generations pass, the accumulation of these changes tend polyploid to speciation.
Answer;
-Stratosphere
The Stratosphere is responsible for absorbing the most UV radiation.
Explanation;
-The stratosphere is the second layer of the atmosphere as you go upward lying between the troposphere and the mesosphere.
-The stratosphere layer also called the ozonic atmospheric envelope, is important to human's life as it contains the ozone layer which absorbs the harmful ultraviolet radiations which emitted from the Sun , and also it is convenient for flying of the planes .
