Answer:
Yes it has actually because with more humans being born everyday there is not enough space for everyone that is planning on coming out.
Answer:
the sun's rays hit the Earth at a shallow angle because the sun is lower in the sky.The long nights and short days prevent the Earth from warming up.
I believe all options are correct...
Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
