How are a rainforest and a wetland similar? They both have cold and dry winter seasons.
They can both have high levels of humidity.
They have a canopy of trees with a lot of precipitation.
They have low average temperatures year-round.

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal