All of the following statements about the nitrogen cycle are incorrect, except which?
assimilation is the process by which plants absorb and use nitrates.
nitrogen fixation is prevented by the presence of ammonium in the soil.
denitrification occurs when there’s a shortfall of available nitrogen in the soil.
the nitrogen cycle works best when bacteria are eliminated from the process.

What is the chemical formula of the following compound

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2