One group of students designed an experiment to demonstrate the interaction between Earth spheres. The steps of the experiment are listed below.
• Make a 25 cm high mountain with some soil.
• Use a hose to sprinkle water on the mountain.
• Observe the change in the shape of the mountain.
The experiment most likely demonstrates the interactions between the
1) atmosphere and biosphere
2)biosphere and hydrosphere
3) geosphere and biosphere
4) hydrosphere and geosphere

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.

because the center-south is called the heart of the country