What are changes in an ecosystem due to natural and human activity?

St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.

Which mountain range separates georgia from russia? a. ural mountains b. carpathian mountains c. caucasus mountains d. siberia mountains

What is limestone i just need to know