Answer:
I think the answer is D
Explanation:
organisms can migrate to other areas and become an invasive species which can cause global problems. other things such as air pollution, water pollution, fires ect dont just remain in one area and all contribute to global warming which is a global issue.
Answer: B
Explanation: the sun is made of gas, which doesn't all spin together at the same speed like a solid rock would.
The answer is 2 because they are renewable which means replaceable
Sperm will have 23 chromosomes while the egg has 23 chromosomes
