NEED ASAP! Investigators are trying to determine the time of death for a corpse. Which factor would not be important in determining time of death?
The body being 32•F and the overall recent temperatures in the area, the body was found in a basement and showed signs of stiffness, the body veins bloated with gasses, the body having no identifiable cause of death

i'd say that the moon rock is about 2.2 billion years old.

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.

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added