(earth science)
what is mantle convection and how does it connect to plate tectonics?

Its given as below.

Explanation:

Mantle convection is a type of current that raises from the mantle plumes with lava or magma and its rising lava reaches the earth through volcanic eruption and further through the burning of plates inside the mantel, it is directly connected with at of the plates on earth as its due to this effect that the ring of fire is dotted by earthquakes of all types. The Hawaiian volcanoes are on this line also thus are highly explosive and viscous lava flowing from vents, the zone of most active volcanoes.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.

tocharian and anatolian were belaved to become extinct during the ninth century. =)