Earth's atmosphere is composed of

A.
iron, oxygen, and silicon.
B.
carbon dioxide, ozone, and magnesium.
C.
water, liquid oxygen, and trace amounts of other liquids.
D.
nitrogen, oxygen, and trace amounts of other gases.

Answer

D. nitrogen, oxygen, and trace amounts of other gases.

Explanation:

Earth is composed of an atmosphere that sustains life. It protects its inhabitant against direct radiation from the sun that could be of adverse effect. The earth consist of Nitrogen-78%, oxygen-21%, carbindioxize- 0.04%, Argon - 0.93% and trace element such us helium, hydrogen, krypton and water vapour. The earth consist of 5 different layers this include the stratosphere, thermosphere,

Atmosphere, troposphere, Mesosphere.

Earth is the only planets that sustains life and its has the ability to accommodate different living organism because of its diverse climatic condition.

Option D is the answer because Nitrogen and oxygen are contain in large amount and otherwise trace quantity.

measuring physical properties lab reportinstructions: in the physical properties lab, you will test the physical properties of different building materials in order to pick the appropriate materials for a new home in tiny world. record your observations and test measurements in the lab report below. youwill submit your completed report.name and title: lyric lawton, mr.herbert, 10/13/17, physical properties lab. objective(s): i need to parvus build his house out of the right material, so he will stay cool in the mountains.hypothesis: if we use wood to build the roof of the house, then the temperature inside the house will remain cooler.if we use clay brick to build the walls and floors of the house, then the temperature inside the house will remain cooler.if we use aluminium to bring electricity into the home, then it will allow electricity to flow into the home at a faster rate.if we use iron to construct the latches on the windows and doors, then the magnetism will keep the latches secure.

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