Answer:
a. to defend against bacteria
Explanation:The skin helps protect the body and various body cells from infection. A break in the continuity of a skin can result into harmful germs,bacteria infection penetrating into the body system. Hence the skin is a protective covering from germs,infection.
The correct answer should be plants
<span>Abiotic means without life, and if there are plants, then it means that there is life so it can't be plants.</span>
The solvent molecules separate from each other by dispersion. Thus, the correct option is B.
<h3>
What is dispersion?</h3>
Dispersion is defined as the mixture in which fine particles of one substance are scattered throughout another substance.
They include O-H groups that can form an H-bond with the water, glucose and ethanol are covalent molecules that are soluble in water.
Hydrocarbons and other nonpolar substances also have weak intermolecular attractive forces. On the other hand, the water molecules have a strong attraction to one another.
For more information regarding dispersion, visit:
brainly.com/question/1455074
#SPJ1
Transfer because RNA stands for Ribonucleic Acid and in this you would transfer it.
