Answer:
He is his ancestor
Explanation:
im almost postive thats the answer
A group of organs are called a system
It covers the concepts of mathematics covered all throughout high school, pretty much starting with algebra conceps.
I don't think there's a specific age where a dog becomes an "adult", but different types of dogs become fully grown at different times, which may be what the question means by "adult". So technically, there is no specific answer for all breeds of dogs.
