Households dump waste into the river. It is polluted. (so) → |
Households dump waste into the river. It is polluted. (so) → |
Ships spill oil in oceans and rivers. Many aquatic animals and plants die. (lead to) → |
Ships spill oil in oceans and rivers. Many aquatic animals and plants die. (lead to) → |
We can’t see the stars at night. There is too much light pollution. (due to) → |
We can’t see the stars at night. There is too much light pollution. (due to) → |