Which of the following statements is true?
water vapor keep the earth's heat from escaping into space.
sublimation is the process by which plants release water into the air.
most of the water vapor in the air comes from transpiration.
evaporation from the oceans adds salt water to the atmosphere

At what point the certain object feels zero garvitational force between earth and the moon. take the required information from the book.required: distance away from earth or moon

Describe uniform velocity and variable velocity in short

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.