Answer:
Do you want me to give you the definition in math, science or just what a product means because there's different types.
It can be from volcanic ash, or from eroded material transported by rivers or wind.
Answer:
Biochemists study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and cell parts. The word "biochemist" is a portmanteau of "biological chemist."
Explanation:
An index fossil is a fossil that is useful for dating and correlating the strata in which it is found.
Or it is a fossil that helps you find the date where it has been found. I rephrased that.
