The temperature rose when the metals were added to sulfuric acid. Give one other observation that might be made when the metal was added to sulfuric acid.
How would this observation be different for the different metals?(2)

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

How many grams are in 68.2 molecules of br2?

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species