2x+y=−8x−y=−4{2x+y=−8x−y=−4

(−1, 3)(−1, 3)

(−4, 0)(−4, 0)

(−3, −2)(−3, −2)

(1, 5)

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