Water plays an important role in the chemical weathering of rock. in 3–5 sentences, identify and explain two agents of chemical weathering to support that statement.

In the water cycle , when does water undergo a chemical change

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?