Which would not form from an organic fuel?
trees
plant root
oxen
bones

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer