Which processes are caused by convection currents in the mantle?

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.