How does the mass of an object that is moving at constant sped affect the amount of force needed to stop that object form moving?

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.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Energy flows from the producer level to the level. is called