Which statement best describes a stream with a steep gradient?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

What is the most important inorganic material for livings things? ! due tomorrow!