I think it’s the third option, I’m really sorry if that’s incorrect!!! You might wanna wait for someone else to answer :)
Convection is cool things sinking and hot things rising. So for example when you have the heat on the upstairs is always hotter than downstairs because heat rises and continues to go in circles until the whole house it heated up.
Answer:
Bb and bb
Explanation:
one parent might be a carrier of the black-nose gene and the other parent is not OR both parents can be carriers of the black-nose gene.
I think the anser is d that what i think Is
