In the biosphere, is an important element in ATP (Adenosine triphosphate) and DNA (Deoxyribonucleic acid). A. Phosphorus
B. Phosphate
C. Photosynthesis
D. Photons

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?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

In general, are there any major differences that you can see? explain