atmosphere - protect layers of air around the Earth, air pressure - force of air pressing down , cold air - more dense , warm air - less dense , troposphere - where we live , stratosphere - home of ozone, greenhouse gas - Carbon dioxide , gravity - holds atmosphere together , altitude - height going up , thermal expansion - heat rises , wind - moves from high to low , ozone - 3 oxygen , conduction - heat transfer by touch,

atmosphere 7.3.1

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?