What is a hieroglyphic, and why was it important to ancient America civilization?

Of all the ancient American civilizations, the Maya developed one of the most advanced systems of writing and numbers.

Explanation:

i believe 5 is correct answer

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.