What is the most commonly and widely used depressant in the united states?

What filament and tubules give a cell its shape

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils