When something happens, energy is changed from one form into another. When you climb stairs, chemical energy in your food is changed into kinetic energy by your muscles, and into potential energy as you raise your body against gravity. The amount of energy transferred is measured in JOULES.
If hills happen to be on your question....then that should be the answer....hopefully i helped kk....have a great christmas when it comes and plzz give brainliest answer (trust me i need it)....
A. This is because these formations occur on the surface and can range from mountains to forests.
A simple stain is used to show that bacteria is present and what they look like opposed to other matter. a differential stain is used to separate organisms into groups.
