Answer:
The force that keeps the earth orbiting the sun is gravity also known as gravitational forces.
Explanation:
Answer: water
For food digestion for humans we don’t use the sun, or warm temperatures, or transpiration.
We use water to help with digestions
Answer: water
Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
