Objects in our solar system are in a spinning motion because THE GRAVITATIONAL PULL OF THE SUN PUSHED OBJECTS INTO A SPINNING MOTION.
The reason why the planets orbit around the sun is because the gravity of the sun keeps them in their circular paths. The gravity is a fundamental part of the universe structure. The planets revolving around the sun traveled in a circular path because they have velocities that are perpendicular to the velocity of the sun.
Hello!
The answer you were looking for is....
(D) Nonpoint source pollution is difficult to regulate, because its source is difficult to track.
Vacuoles do /not/ digest molecules.
I believe the answer is C. the need to acquire energy from other organisms
This is however an educated guess, but I hope this helps! :)
