Question

scientists warn that rising co₂ levels will have what effect on the earth?
a cause sea levels to drop
b trap heat in the atmosphere causing the greenhouse effect
c cause acid rain
d speed up the next ice age

Explanation:

Carbon - dioxide is a greenhouse gas. Rising CO₂ levels trap heat in the Earth's atmosphere, leading to the greenhouse effect. Sea - levels rise due to thermal expansion and melting ice, not drop. Acid rain is mainly caused by sulfur dioxide and nitrogen oxides. Rising CO₂ levels lead to warming, not an ice - age.

Answer:

B. trap heat in the atmosphere causing the greenhouse effect