Answer:
in physiology respiration is the movement of oxygen from the outside environment to the cells with tissues and the removal of carbon dioxide in the opposite direction .. in contrast exhalation is usually a passive process
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Answer:
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
Answer: No
Explanation: Elodea or Paramecium live in fresh-water lakes and they are not adaptive to salt-water. Oceans are salty and the cells will lose water due to osmosis and eventually dry up and fall apart.
Answer: Fossil fuels are made up of dead plant life example trees, bushes, etc., and when burned they release carbon in the air
