Where is it assumed that the proto-indo-european language originated? a. near the pontic steppe, eastern asia minor, or northern mesopotamia b. near the ural and causcus mountains c. near the mediterranean and black seas d. near the northern european plain, or the alps

the correct answers are:

a - pacific plate;

it is the biggest oceanic tectonic plate. surrounded on all sides by continental tectonic plates, it is submerging and gradually becoming smaller and smaller.

b - north american plate;

huge continental plate, occupying big portion of the northern hemisphere.

c -eurasian plate;

alongside the north american plate, it is one of the two dominant continental plates in the northern hemisphere.

d - indian plate;

a small continental plate, that has been part of gondwanaland initially, but after the break up of it, moved towards northeast and pushed into the eurasian plate that was once part of laurasia.

d.) greenhouse gases