What pollutants inside of electronics can leech into landfills and pollute soil, water, and air?

a. silicon, chromium, and zinc

b. lead, mercury, and cadmium

c. nickel, cadmium, and carbon

Which of the following mountain ranges is home to the largest mountain peak in europe? a. the carpathian mountains b. the caucasus mountains c. the balkan mountains d. the ural mountains select the best answer from the choices provided a b c d