c. the answer is radioactive elements are useful for dating materials
Water is known as H2O and soil is known as HYG
Answer:
Explanation:
are inversely proportional- the longer the wavelength the shorter the frequency.
Answer:
There is no choices to choose from
Answer:
c
Explanation:
we see this since to know if an atom is big then we look at the atomic radius from the nucleus to the valence electrons meaning that the further away no matter the number the valence electrons are from the nucleus the larger the atomic size therefore the more the levels the larger the atom