Amolecule of phosphorus. choose a starting point in the phosphorus cycle and describe the process you would go through to move through the entire cycle

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

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