During prophase I of meiosis, crossing over between the sister chromatids occurs. What is the purpose of this process? To produce genetic variation.
To duplicate the DNA.
To produce the spindle fibers.
To remove the nuclear envelope.

your answer is rna to the question.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation: