The molecular clock is a scientific technique which presents a means of estimating evolutionary rates and timescales using genetic data. It uses mutation rate of biomolecules when two or more life forms diverged to estimate the time. Answer is B.
Tar sands pits , sorry if I got this wrong
Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested material.
The vinegar would tend to diffuse into the agar blocks decreasing the amount of vinegar outside the agar cubes and increasing the volume of agar cubes. Diffusion<span> is the movement of particles (ions or molecules) from an area of higher concentration to an area of lower concentration.
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