Sun and earth revolve around a common center of mass with period of revolution T. If M1 and M2 are the masses of the sun and the earth respectively and ‘a’ is the separation between them, then prove that
M1+M2=(4pi^2)a^3/GT^2

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

Because the dept in the ocean