Which type of nitrogen do most organisms use?

fixed nitrogen

atomic nitrogen

molecular nitrogen

free nitrogen

As an asteroid comes close to earth, it's name will change to? apex

What evidence for the age of the earth is indicated by the fact that sedimentary rock is found on mountain tops? that the earth has expanded outward from water beds that mountains formed first before anything else that some force lifted the rocks from the water the earth is not very old and has not had time for many rock layers to form

An unknown liquid sample will flow at at rate of 3 ml/s through a funnel. you heat the liquid 10 degrees and it flows at a rate of 6 ml/s through the same funnel.