Nitrogen. Rocks have nitrogen in them. But just to be sure you should also just look it up to see if I am right.
Most plants that grow in a desert environment have the ability to retain water in leaves or paddles ( if cactus ) and have deep roots to collect water that is deep in the ground i hope this helps <span />
Answer:
4
If the beaker was not cleaned, starch could have been in it.
Answer:
purity, value, composition, shelf life, potency, identity, and company appraisal.
