Ordering game on the layers of the atmosphere
sábado, 25 de mayo de 2013
martes, 21 de mayo de 2013
martes, 14 de mayo de 2013
UNIT 9, Air
Earth's Atmosphere
Without the atmosphere, we will not be able to live on earth. The gases in the atmosphere protect us by blocking out dangerous rays from sun and making earth a perfect habitat for plants and animals. Let's find out what are those gases which supports life on earth.
Without the atmosphere, we will not be able to live on earth. The gases in the atmosphere protect us by blocking out dangerous rays from sun and making earth a perfect habitat for plants and animals. Let's find out what are those gases which supports life on earth.
