Answer:
These vents contribute dissolved minerals to the oceans, which is one reason the oceans are salty. Rivers and surface runoff are not the only source of dissolved salts. Hydrothermal vents are recently-discovered features on the crest of oceanic ridges that contribute dissolved minerals to the oceans.
Answer:Characteristics
Explanation:
Most traits would come from characteristics and ancestry.
Dogs evolved form wolves, people took them as pets and they started to evolve because they started to depend more on us
The following chemicals can be found in plant cells.
Chemicals in plant cells:
oxygen
carbon<span>
</span>hydrogen
phosphorus
nitrogen
sulfur
I hope this helps!