What organelle does the following phrase describe:
stack of membranes that modifies, sorts, and packages proteins and other materials for storage or release.

here are the
er , golgi bodies , lysosomes , vacuoles , ribosomes

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.