Answer:
4) d
Explanation:
In the given figure, <u>A is a wavelength</u> which is the distance between two crests of a wave. <u>B is a crest</u> which is the highest point located on a wave at maximum distance upward from the middle of the wave. C is a trough which is an opposite of crest meaning that it is the lowest point on a wave from the middle.
Lastly, <u>equilibrium</u> is a point located in the middle of wave. In other words, it is the average of crests and troughs located on a wavelength.
the answer is d. break down matter from dead plants and animals
Answer:
Hope it helps u
Explanation:
They do not get infected with tetanus because they have already been vaccinated which means there are white blood cells and antibodies ready to fight tetanus.
Their immune system is safe because the antibodies won’t let them feel sick.