In solar power plants the solar heat is transferred by
Select one:
a. water steam
b. liquid metals
c. all of the mentioned
d. none of the mentioned
e. molten salt​

The earth's internal process which drives seafloor spreading is

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Due to its high humidity, the south often experiences severe storms with heavy rains called cyclones ,hurricanes, monsoons, tornadoes