Each type of mineral has a chemical composition that is
a. unique to that mineral
b. similar to other minerals
c. variable depending on where its found
d. influenced by heat and light

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

What are the genotypic and phenotypic ratios

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.