About 160 years. After Charles Darwin came out with his theory people have been debating it.
Answer:
Due to continuous global warming, the oceans tend to gain more heat and hence the temperature rises. In the current century, the heated conditions of the oceans can be threatful for the human population. Also, the increase in the sea levels will have serious consequences on the health of mankind and their quality of life.
Explanation:
I don't think your question is appropriate for me to answer.
Chemical elements are important to living organisms because they make up the organic molecules that are found in all living things
Im going with Genes inserted from other organisms.
