The correct answer to this question would be heat energy
Answer:
Atomic mass of Sodium is 22.9897 u. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. The unit of measure for mass is the atomic mass unit (amu). One atomic mass unit is equal to 1.66 x 10 -24 grams.
Explanation:
Relative age<span> is the </span>age<span> of a rock layer (or the fossils it contains) compared to other layers. It can be determined by looking at the position of rock layers. </span>Absolute age<span>is the numeric </span>age<span> of a layer of rocks or fossils. </span>Absolute age<span> can be determined by using radiometric dating.</span>