Plz which of the following best describes evolution? individuals with traits best suited for survival pass these traits to offspring individuals acquire certain traits during their lifetime and pass these to their offspring individuals change over time as earth's environment changes individuals compete to survive and only change as a result of competition

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.