Why are antibiotics unhelpful for treating the common cold? O A. Antibiotics cannot treat illnesses.
O B. Viruses are not killed by antibiotics.
O
C. Colds are caused by antibiotics.
O D. Colds are caused by bacteria.

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline

Why are lipids and proteins free to move laterally in membranes?