Answer:
<u>In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.</u>
Explanation:
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<span>A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein. Sometimes the capsid is surrounded by an additional spikey coat called the envelope. Viruses are capable of latching onto host cells and getting inside them.</span>
Animal cell do not have cell walls
Answer:
It is important because it slows down the spread of any type of disease
Explanation:
A kid might have resistance against the virus but if the kid has a illness or disease the kid will have a higher chance of getting the disease.
(Like the coronavirus)
Answer= A. Worm in your intestine