Which of the following is a TRUE statement about crossing over? A) Crossing over occurs in both mitosis and meiosis I.

B) Crossing over occurs during prophase I of meiosis; because of crossing over, genetic variation in the resulting gametes is increased.

C) Crossing over occurs in telophase II of meiosis; it decreases the genetic variability in the gametes produced.

D) Crossing over decreases genetic variation.

I don’t know the answer I just need some points to ask more questions

Explanation:

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: