Answer:4 beans
Explanation:You didnt add the full question..
Answer:
build up
Explanation:
b. accumulating increased concentration
Water quality testing would be the best approach.
Answer:
natural selection
Explanation:
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
