4. Compare your observations of micrographs obtained from the optical microscope, the scanning electron microscope, and the transmission electron microscope.

optical microscope uses visible light and a lense to generate magnify images of small object

scanning electron microscope produces image of a sample by scanning with a focused beam if electron while transmission electron microscope is in which beam of electrons is transmitted through a specimen to form of image

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.