Abarometer is used in meteorology to determine air pressure and to predict the weather. evangelista torricelli invented the first mercury barometer in 1643 and stated that a. the unit of pressure measured with his barometer is called a torr. b. we live at the bottom of an ocean of air, which we know has weight. c. the thunder glass would be useful in agriculture and trade. d. the ability to foretell the weather should be left to god. plz science

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.