Our atmosphere and us Flashcards
What gasses make up the atmosphere
Nitrogen, oxygen, argon and carbon dioxide(these are the main ones)
What percentage of the atmosphere is nitrogen
78%
What percentage of the atmosphere is oxygen
21%
What percentage of the atmosphere is argon
0.93%
What percentage of the atmosphere is carbon dioxide
0.04%
What is feeding
Feeding is taking in food or another substance for energy.
What is combustion
Combustion is the process by which fuels react with oxygen to release energy
What is respiration
It is the process where energy is released from food.
What is photosynthesis
The process in which plants make food by using energy from the sun
What is decomposition
Where organic substances are broken down into a more simple form.
What a microorganism
A microscopic organism which could be single called or multi cell.
What is the carbon cycle?
It is the cycle in which carbon goes from non living place to a living thing and back.
What are the three main greenhouse gasses
Water vapour, methane and carbon dioxide.
How is carbon dioxide produced
Fossil fuels
Industry
How is methane produced
Coal mining
Gas production