What percentage of these companies do work that would increase the greenouse effect. a. 25% b. 50% c. 75% d. 100%

25%?   cause  there is 4 if it increases by 25%  each time adds up to 100%

let me know    if im wrong

The answer is 25%

Explanation:

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.