2x+y=−8x−y=−4{2x+y=−8x−y=−4

(−1, 3)(−1, 3)

(−4, 0)(−4, 0)

(−3, −2)(−3, −2)

(1, 5)

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.