Which type of weathering has the greatest effect on earth's surface?
a. erosion
b. deposition
c. disintegration
d. decomposition

The correct answer is letter A. Erosion causes the greatest effect on the Earth's surface. Changes in the environment caused by human activities are the major causes of earth's slow decay. Deforestation is one of the major factors of excessive erosion in soil.

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;

Why the planet stays in orbit is because of inertia (object stays in motion until a force changes it’s motion) also the atmosphere and gravity!