Imagine looking through a microscope that shows the features of three unidentified cells. the only information you have is that one cell is a bacterium, another is from a plant, and the third is from an animal. explain how you would differentiate one cell type from the other.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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bioteacher101