b) melt the polar caps to increase the amount of liquid water on the planet.
Most scientists agree that an increase in the amount of greenhouse gases entering earth's atmosphere causes an increase in melting of polar ice caps.
greenhouse gases<>entering<>earth's atmosphere$$$Most scientists<>agree<>that an increase in the amount of greenhouse gases entering earth's atmosphere causes an increase in melting of polar ice caps$$$an increase in the amount of greenhouse gases<>causes<>an increase in melting of polar ice caps