<span>a cone formed around a volcanic vent by fragments of lava thrown out during eruptions.</span>
Answer:
A point mutation with occur.
Explanation:
This quesiton might need more info but in general a point mutation will occur.
B) One swims freely and the other often lives attached to a hard surface.
as in any liquid, as heat is added, solutions become more capable of holding more dissolved material . (not sure if this is what you're asking as it seems to be missing information)
