states that each rock layer isolder than the one above it.

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

How do living things obtain phosphorus

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs