<span>they assign a numerical date to each rock layer studied.</span>
Answer:
Non Polar
Explanation:
Non Polar molecule because of its linear symmetric shape
Answer:
because that is the last group the ones before it are more reactive im sorry if this not what you were looking for.
Answer:
Proton and neutrons
Explanation:
they both have a mass of 1 amu or 1 atomic mass
