What is the chief reason people buy stocks even though they are a risky investment

Which statement about glaciers is true? a. glaciers can only be found high up in mountains. b. glaciers have snow all year round, except during july. c. there are two types of glaciers: alpine and continental. d. glaciers can only be found near earth's north and south poles.

Can someone list any possible solutions to air pollution ?

What are seismic dampers and why are they important?