Why is water scarcity a problem in the 21st century? ( will give brainliest)

The reason why its a scarcity is because with rising temps more water is evaporating into the atmosphere, not to mention the fact that most people drink spring water and tend to over draw the wells which create sinkholes.

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.