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What is inferred to be the main source of the free oxygen that first entered earth?
oxygen producing organisms
What are the two main gases in theatmosphere?
The main gases in Earth's atmosphere are nitrogen, followed by oxygen.
What impact would the change in oxygen levels have on living things?
If the number of factories increase and the amount of the burning of fossil fuels increased, then it would severely affect our atmosphere. This would decrease the oxygen levels on Earth which would lead to dying organisms as well as ourselves since we rely on oxygen.
What is the main driving force for the oxygen cycle?
Oxygen
Is iodine a organism?
Iodine is not an organism, it is an element with atomic number 53. It is used to kill microorganisms which is why it is the main component of Betadine.
Effects of no oxygen on earth?
Oxygen is main gas of earth. If there is no oxygen in the earth all the life in the earth should die.
Why is organism called producer?
A producer is a main organism in a food chain. It is an organism or living thing which produces its own food and provides other organisms with food. Producers are normally plants.
What is the main element on earth?
oxygen
What is the main element of Earth?
oxygen
What do organism's do?
Main thing is living.They live on earth
What is the main component of earth atmosphere?
Oxygen
What do eukaryotic organism do?
Main thing is living.They live on earth
What are the four main elements that make up an organism?
carbon, oxygen, hydrogen, nitrogen
What are two main gases found in earth atmosphere?
Oxygen and Nitrogen
What are the main two gasses on earth?
Oxygen and nitrogen - 80% nitrogen and 19% oxygen. :)
Can you breathe without tree's?
technically....no. you need the oxygen the trees give off to breath. trees are the main producer for oxygen.
Which organism would most likely be the main source of oxygen in a forest ecosystem?
oak trees
