What is the purpose of the dense hairs around the flowers of the woolly lousewort? a. the dense hairs keep moisture off the flower. b. the dense hairs trap heat from the sun. c. the dense hairs protect the flower from caribou. d. the dense hairs keep the flower’s seeds from blowing away.

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.

the form of energy changes and the total energy increases0l