During which of the following time periods did the supercontinent Pangaea split into two blocks, Laurasia and Gondwanaland? A) Carboniferous
B) Cambrian
C) Permian
D) Tertiary

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4