The boundary between the troposphere and stratosphere is called:

a. thermopause.

b. mesopause.

c. stratopause.

d. tropopause.

Who ruled many of the caribbean islands until recently

In which places of Canada do people speak French?

What term refers to the formation that grows downward from the top of the cave?

12) which force is a factor is surface winds but does not affect winds aloft

17 of the 18 warmest years on record have occurred in the 21st century. true or false?

Some 2.5 million people currently live in sahara, most of these in egypt, mauritania, morocco and algeria true or false

Compare the aquatic species mortality on the east and west coast

The political boundaries of North Africa and the Middle East can best be described as the product of which of the following processes? a. Devolutionb. Imperialismc. Self-determinationd. Democratisatione. Supranationalism

What happens when two oceanic plates collide? What negative impacts for human populations can result from this type of action?

A manufacturers producing 950 light bulb per day