The sun provides the energy for photosynthesis. Cells use sugar as a source of energy. The products of cellular respiration are CO2 and H2O. These products are used by plants to make sugar and oxygen through photosynthesis.
The mechanism of enzymatic action within a single substance
The important thing to identify the degrees of lightness to darkness in each level.
Hope this helps you.
Nurseries educate children about helping others that will help them to form strong bonds with others as they grow. It's better for young children to be introduced to a disciplined environment that helps them to learn social behaviors and skills and behave well with others.