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stroma
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This element does not burn but combustion cannot occur without it?
Oxygen
Does Oxygen speeds the process of decay in an organism?
False. A fossil cannot be formed with oxygen. There has to be no oxygen involved for petrification to occur.
Why do the water and nitrogen and carbon dioxide and oxygen cycles not occur on the moon?
Because there no oxygen on the moon.
Does oxygen occur naturally as a diatomic molecule with three covalent bonds?
Yes, oxygen has a diatomic molecule.
Why will a fire go out when there is no oxygen?
Fire is a chemical reaction between oxygen and some flammable material. Without oxygen the reaction cannot occur.
What important event occur durin the creation the ozone layer?
During the creation of ozone, the UV decomposed the oxygen. This oxygen then was created to ozone.
What important event occur during the creation the ozone layer?
The ozone layer was created by UV rays. It allowed oxygen to decompose and combine to form ozone.
What is required for combustion to occur?
oxygen
What does not occur in photosynthesis?
Release of oxygen does not occur.
Where does oxygenation occur?
Oxygen exchanges occur in the lungs where the circulatory system takes in oxygen and releases carbon dioxide into the lungs. Oxygen exchanges also occur in the capillaries where the circulatory system delivers oxygen to the cells and picks up carbon dioxide from the cells.
True OR false type of cellular respiration that requires oxygen to occur?
It is TRUE that AEROBIC respiration requires oxygen to occur. It is FALSE that ANAEROBIC respiration requires oxygen to occur. It is FALSE that cells are DEPENDENT on AEROBIC respiration.
Is oxygen radioadive?
Some oxygen isotopes are radioactive, but they do not occur naturally.
Is oxygen necessary for glycolysis?
No - glycolysis is anaerobic (it does occur in the presence of oxygen).
What must be present for combustion to occur?
heat, fuel, and oxygen
This element does not burn but combustion cannot occur without it?
Oxygen
Can the kreb's cylce occur if there is no oxygen?
no
What does iron have to be exposed to for oxidation to occur?
Iron has to be exposed to oxygen for oxidation to occur.
