Which type of preservation is made when a mold fills in with sediment, showing the exterior features of an organism?

a. trace fossil
b. carbon film
c. cast
d. microfossil

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

What three natural resources are found in the great lakes region

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots