Halogens are destructive to ozone because they are highly reactive with oxygen.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

this would be called india

friedrich meischer discovered it in white blood cell

i think the answer would be a. after sentence 14! i hope i at least a little