Atmosphere

What is the atmosphere?

• Gaseus layer that surrounds the Earth

• A layer of the Earth with hydrosphere, biosphere and geosphere

• Is made by gases

• All the answers are correct.

What gases the did primitive atmosphere have?

• Nitrogen and carbon dioxide

• Oxygen, nitrogen and carbon dioxide

• Oxygen and water vapour

• All the answers are correct

Wich are the gases of the atmosphere now?

• Carbon dioxide and nitrogen

• Methane and oxygen

• Carbon dioxide, oxygen, water vapour, nitrogen and other gases.

• All of the answers are correct.

Which cell made the oxygen of the actual atmosphere?

• Prokariote

• Eukariote

• Photosyntetic Prokariote

• All the answers are correct

Which is the compositon of the atmophere?

• 21% Nitrogen and 78% Oxygen

• 78% Nitrogen and 21% Oxygen

• 21% Methane and 78% Oxygen

Which of this sentence is wrong?

• The atmosphere protect us from UV rays and X rays

• The atmosphere permit us to breath

• The atmosphere protect us from asteroids

• The atmosphere regulate the temperature of the Earth

• There are anything wrong.

Which are gases essential for respiration?

• Oxygen

• Carbon dioxide

• Nitrogen

• water

Which are gases essential for photosyntesis?

• Oxygen

• Carbon dioxide

• Nitrogen

• water