Why are hot gas clouds more dangerous than lava flow from a volcanic eruption? Hot gas clouds travel at a much faster speed than lava.
Hot gas clouds are hotter than lava.
Hot gas clouds are more dense than lava.
Hot gas clouds absorb all of the oxygen in the air.

While studying chemical reactions and conservation of matter, sarah's class conducted a variety of experiments. sarah and her lab partner found the mass of a wax candle and placed the candle in a flask. the students lit the candle and let it burn to completion. all that was left was wax and charred candle wick. per their teacher's instructions, the students found the mass of the products. their data can be seen in the data table. formulate a hypothesis the students could test to explain why the experiment did not support the law of conservation of matter. a) the students could repeat the experiment using different candles; there might have been a flaw in the candle. b) the experiment should be repeatable. the students should run several trials and then take an average of the after mass in each trial. c) the students should have someone in the class check their measurement skills as they repeat the experiment. they may have made an error using the balance. d) the students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed. submit

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

Emergent properties of living systems are defined as properties that .