What is curious and telling about the dates for the earliest hominin fossils (at 7 million years ago) considering these earliest bipeds diverged from the ancestors of the great apes right around the same time

you dont brother god luck

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.