Athunderstorm can form on a cold front when
a cold air mass quickly overtakes a warm air mass.
a warm air mass slowly encounters another warm air mass.
a cold air mass quickly overtakes a cold air mass.
a warm air mass quickly overtakes a cold air mass.

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere