I don't understand its not my language I would like to help but I can't
Answer:
Photosynthesis
Explanation:
In photosynthesis, carbon reduction helps make glucose, the oxygen is formed with the reduction of water in the photosystems 2 and 1.
In cellular respiration, both of these compounds would be reactants.
Pollution, burning fossils, undrinkable water
Explanation:
Due to lack of O2, the lungs will start breathing anaerobically i.e; without oxygen this may lead to cramps
Well think about it during that time it is freezing cold the water cycle comes up from a sea and makes clouds that will be no effect to it but what happens when you put water in a freezer its cold so the result is its gonna hail
