How has the greenhouse effect changed in the last decade?
moved to South America improved Temperature fossil fuels has become cooler worsened climate growth
A B C D E F G H
Increases in carbon dioxide make the greenhouse effect worse.
The greenhouse effect in the air  has become worse over the last decade
How has the greenhouse effect changed in the last decade? (A) moved to South America (B) improved (C) Temperature (D) fossil fuels (E) has become cooler (F) worsened (G) climate (H) growth