A hypothesis can become A. a scientific theory if it is supported by repeated experimentation.
Kinetics is the study of the speed of a chemical reaction some chemical reactions are fast others are slow sometimes chemists want to speed the slow ones up and slow the fast ones down
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
31c-11c=20c So, therefore, the range is 20c.
Hope this helps! :D
