What traits might be ideal to create children who are champion skiers? If it were possible for parents to select these genes, is it okay?

well athlete parents maybe or parents that used to ski, im not sure since learning how to ski and getting good at is isnt really part of genetics

Explanation:

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.