Which numbers identify the organelles that are present in BOTH plant and animal cells?

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave