It’s B. I did research and found that it’s the application of scientific knowledge for practical purposes.
I think it’s respiratory but I’m not sure
Answer:
During meiosis, an event known as chromosomal crossing over sometimes occurs as a part of recombination. In this process, a region of one chromosome is exchanged for a region of another chromosome, thereby producing unique chromosomal combinations that further divide into haploid daughter cells.
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.
