I need help again.

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

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast

Asample of soil from a c horizon is light brown in color and has a high content of a mineral called feldspar. which of the following statements is most likely true