Yes you can. The atomic mass measured from the proteins and neutrons in an atom, since you know he number of protons, you can subtract and be left with the number of neutrons.
The speed of a sound wave depends upon the medium through which it travels. In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.
Answer:B. Fossils
Explanation:
fossils is the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form. it has nothing to do with continental drift.
