It a rock form from extrusive rock such as the follow of lava
Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
I think it is true because musicians do have to know their instrments and they have to know how to play it how to read the music or if you sing there is a lot more to it. and with athletes they have to have good strength and they have to understand whatever sport they play.
It can be caused by mutation, random mating, random fertilization, and recombination.
Hope this helps :)
