Adam is built on a large river. backed-up water behind the dam forms a lake, like in the picture below. the dam doesn't just hold back water; it also holds back soil and sediment. how will the dam most likely affect the river downstream? a. natural deposition rates will increase. b. natural weathering rates will decrease. c. natural deposition rates will decrease. d. natural weathering rates will increase.

Natural deposition rates will decrease.

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

i need with 1.3.2 investigate cycling o2 and co2 apex

we need to see it