Anaerobic and aerobic respiration both begin with... 1. The conversion of light into glucose
2. The breakdown of glucose
3. The formation of water to release some energy
4. The transfer of pyruvate to the mitochondria

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.

not sure if this is what you'r looking for nnew= nold