Answer:
answer is b
it allows specific substances to cross through it
Answer:
c
Explanation:
negative effect- pollution
Hello,
Ocean acidification is the result of cars releasing <span>carbon dioxide that forms acid when it dissolves in water
</span>
Causing humiliation or physical harm to their sexual partners is characteristics of SEXUAL SADISTS.
Sexual sadism disorder is the condition of experiencing sexual arousal in response to extreme pain, suffering or humiliation of others. Sadists acts include restraining with ropes, whipping, spanking, biting, etc.
The classification system will soon need to be replaced with something new.
I hope I helped!