Which of the following parts of a forest ecosystem could not become a fossil? A. twigs that dropped from trees
B. a dead mouse
C. a puddle
D. deer footprints in the soil

Two things that biomedical has invented or innovated

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

How many moles are in 43.9 l of oxygen