About 500,000 tons of sediment are eroded from the Grand Canyon every day. Wind, water, and gravity are constantly widening the canyon. What is making
the canyon deeper?
A. Mass movements
B. Coastal erosion
C. Wind erosion
D. River action

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot