D. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
Answer : The product in the given balanced reaction is, sulfur dioxide
.
Explanation :
The balanced chemical reaction will be,

This reaction occurs when sulfur react with oxygen gas to give sulfur dioxide gas as a product.
In the given balanced chemical reaction, sulfur (S) and oxygen gas
are the reactants and sulfur dioxide
is the product.
Hence, the product in the given balanced reaction is, sulfur dioxide
.
Answer:
The term unicellular and multicellular describe how living things are organized.
Explanation:
The number of cells in living things determine how the body organization will be.
Living things are made up of cells in which there are two types of living cells. We have the unicellular and multicellular cells.
The unicellular are made up of one cell (single cell) the unicellular organisms are simple cells which make their functions simple while the multicellular organisms are made up of two or more organisms and their functions are special unlike the unicellular which the functions are simple