The ozone layer is comprised of ozone, an atom which is constructed of 3 oxygen molecules.
Hope that helped =)
Answer:
a. They must be present in a large geographic area.
Explanation:
Index fossils can be used to determine the age of a rock strata with great precision, but they must be scattered over a large geographic area to be able to be used reliable for this type of measurement. Index fossils typically indicate a certain type of paleoenvironment belonging to a very specific prehistoric period and their formation coincides with the age of the rock layer.
Answer:
Health Insurance Portability And Accountability Act (HIPAA)
Explanation:
Answer:
325
Explanation:
im not so sure but you should check, if she measures 1.7 and her shadow id 0.13 then you divide them to find an estimated of 13, so 25x13=325