Air! :-)
A cave is a natural void in rock, and the rock in which thevast majority of the world's caves form is limestone.
Tissue and Blood!.
What materials make up the endoskeletons of most vertebrates
It is rock.
A true endoskeleton is derived from mesodermal tissue.
false, most of the materials are metals. Non-metals are usually gases like hydrogen, oxygen and nitrogen. There are many more metals.
You can't make a cave disapear. You can light up caves with flash, and that's about it.
Their rock is made up of very fragile sediments, making it easier to be weathered by rain and wind.
... Stone
Urstupidium
The three materials that make up many viruses are proteins, nucleic acids, and lipids. (I remember this by using NAPL, which stands for these three materials.)
you have to bring in special items i can list them but i have 2 know what game it is
Minerals and Compounds.