A. Wet and color because the water is cold, and the air also might be a little wet(?), or gumid (a better way to say it) since it's over water, and evaporation and stuff. Hopes this helps! Sorry if I'm incorrect.
Since there’s nothing here other than what you’ve asked i’ll guess, an experiment that is more likely to be reliable will not use the first values it gets, will be done multiple times and the values will be close in number
Answer:
(V-Vo)/t = (30-0)/4 = 7.5 m/s^2.
Climate change is usually negative because if it dramatic it could kill most of species.
