One day while hiking, Maria found a rock in the wall of a canyon. In the rock, she noticed an impression of a leaf. Which answer best describes what Maria has found? O DNA
O fossil
O genetic evidence
O developmental pattern

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate