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Answer:</h2>
A feature known as <u>d. unconformity</u> acts as a cause of gap in geologic record.
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Explanation:</h2>
An unconformity is the contact between sedimentary rocks that are essentially unique in age or between sedimentary rocks and more seasoned, disintegrated volcanic or transformative rocks. Unconformities act as the cause of the gap in the geologic record.
It occurs for two reasons: silt sediments halted for an impressive time and additionally existing rocks were dissolved before being secured by more youthful residue. It relies upon to what extent disintegration happened or to what extent the deposition stopped.
Answer:
diffusion is process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
Explanation:
A familiar example is the perfume of a flower that quickly permeates the still air of a room. ion diffusion across a semipermeable membrane.
Meisosis helps skin fix itself after it's been cut