by planting more trees ,we can ________ the number of greenhouse gases in the air.A .bring B.bring down C.go up D .go down尽快!

分类: 作业答案 • 2022-02-16 15:15:25

问题描述：

by planting more trees ,we can ________ the number of greenhouse gases in the air.
A .bring B.bring down C.go up D .go down
尽快!

答

B.bring down