Answer:
Mammal
Explanation:
A mammal is any any animal that is warm-blooded, gets milk from its mother, and is born alive, etc. Therefore a Cetacean should be considered a mammal.
Hope this helps!
Yes from multiple sources of runoff. Im pretty sure.
Answer:
It will eventually become unsustainable because of factors like food, water, space, etc.
Answer:
yes
Explanation:
due to drift / variation human has been able to atttain high and advanced level of intelligence and development