It helped him because you can breed certain traits you want in things to get the traits you want
Answer:
the awnser is A river basin
Explanation:
because I'm smart just trust me m8
TO. YOUR. BRAIN. have a nice day?
Magma is basically molten rock but INSIDE the earth, Lava is Molten rock that is no longer under the crust, and is on the surface (like lava from a volcano