Which of the following describes the clean coal method of coal washing?
a)treating flue gas to remove sulfur as it leaves a smokestack.

b)using a wet scrubber, then condensing a water-sulfur vapor and storing it underground.

c)charging particles and collecting them on plates.

d)mixing crushed coal with a liquid to remove mineral impurities

Is citizens were comfortable with their detachment from england and had no interest in going to war

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?