Answer:
Step-by-step explanation:
photosynthesis consists of two major phases
Light reactions
Dark reactions
oxygen is produced in light reaction by the oxidation and reduction of carbondioxide and water.
Answer :
Plants take in carbon dioxide from the atmosphere, water from the soil and light energy from Sun.
Photosynthesis occurs.
Oxygen and energy are produced.
There are 21% of oxygen in the atmosphere.
3.5m questions
4.4m answers