The process by which oxygenreleased into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis. Origin ofoxygen cycle Expand.
Answer:
Number of protons
Explanation:
Any particular element can always be identified by its number of protons.
So, from the name, we can say that carbon dioxide has two oxygen atoms. Alternatively, we can use the chemical formula of the molecule. Carbon dioxide has a chemical formula of CO2 .
The pressure from sound waves makes the eardrum vibrate.
The vibrations are transmitted further into the ear via three bones in the middle ear : the hammer (malleus), the anvil (incus) and the stirrup (stapes).
