According to newton’s first law of motion, what must happen to an object at rest in order to make it move?

What two temperature scales do scientists use

What goes in and out of a cell respiration?

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land