All but 3 because it only contains 1 carbon atom
There are some things that can prevent decay, one if them is ice, an example of that is a frozen mammoth, ice can prevent the body from decaying, another thing is amber, it can trap an insect and prevent it from decaying, lastly there is tar, a substance that covers thing in a black substance that prevents it from decaying.
Answer:
d.high total fertility rate
Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
