Carbon dioxide nitrogen oxygen
Answer:
Cellulose
Explanation: The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants. The three layers are the middle lamella, primary cell wall, and secondary cell wall.
The following molecules that are classified as carbohydrates are Amino Acids
Answer:
the ducks have associated people with food handouts and so they become close.
Explanation:
Experiments are carried out to predict the fact. Normally, an experiment is constructed to be able to explain some kind of causation. Experimental research is important to people, it helps us to improve our everyday lives. It is basically to conduct a task (experiment) to get the results.