Multiple Choice [1 point each]
(1) The gases that contribute to the greenhouse effect on Earth are, in order of greatest
to smallest in importance,
(a) CO2, H20, CH4
(b) H20, CO2, CH4
(c) CH4, CO2, H20
(d) H20, CH4, CO2
(1) The gases that contribute to the greenhouse effect on Earth are, in order of greatest
to smallest in importance,
(a) CO2, H20, CH4
(b) H20, CO2, CH4
(c) CH4, CO2, H20
(d) H20, CH4, CO2