Answer:
H2O2 H2O CO CO2 CH4 are all compounds.
Explanation:
Compounds contains 2 or more ions of different elements in different proportion joined by chemical bonds into a molecule.
Жила была царевна но туда ей бросил лёд
Answer:
During the day in the light reactions of photosynthesis
Explanation:
From a modern genetic perspective, this is defined as evolution.