1) The 4 R's: ..., reduce, reuse, recycle. a) redo b) refill c) recreate d) refuse 2) Deforestation: trees are ... a) cut out b) cut off c) cut down d) cut up 3) A gradual increase in the overall temperature of the earth's atmosphere. a) global warming b) greenhouse effect c) climate  d) weather change

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?