1) deep trenches
2) active volcanoes
3) arcs of islands along the tectonic boundaries
4) in some cases, mountain ranges
I would say #3 I’m sorry if it’s wrong tho
The formation of aspirin will proceed faster if acetic anhydride is used in place of acetic acid.
However, acetic anhydride will hydrolyze in the presence of water to form acetic acid, slowing down the reaction.
D. a compound can only be separated into its components by chemical means
Answer:
D
Explanation:
D. The number of moles of a dissolved substance