Answer:
Cells provide the necessary structural support for an organism.
P.s you should link or photograph the model
Answer:These include closing the doors and windows in the evenings to prevent entry of mosquitoes into human dwellings; using mosquito repellant lotions, creams.
Explanation:
A chemical reaction is a process by which atoms or groups of atoms in a particular substance are rearranged from the arrangement within the reactants to a new arrangement within the products.
Oxygen is the answer for this question.