Please help me answer number 3

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b