The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration, and raises the blood ph. according to the principles of negative feedback, sensors that regulate breathing should respond to

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