What is alcotest?

Why coal is not commonly used discuse the reason? What is the unit used to measure centripetal acceleration? What is 450 ml in to gram? What are the 3 composition of matter? How many types of sciences are there? How can a star be a flaming ball of flame if there is no oxygen in space? Can you find 2 disadvantage of fungi? How many centimeters are in millometer? Where would you like to be in the world? If new evidence was found in the theory of relativity and it contradicted a theory could the theory be rejected? Why is aceto-orcein used? What would cause a blood pregnancy test to be inconclusive? What are some skills of scientific inquiry? Efficiency of computer? How do you clean an Indian Head nickel? What is the same for everyone? What does 12.75 inches convert on tape measure? How many centimeters in 14 feet five inches? What do forces produce? What are 3 basic control surfaces of an airplane?