Answer:
16,,24Mg 17,,a24.1 18a mass number of the most abundant isotope
Explanation:
atomic number of Mg is 12 ,therefore its mass number should be the value that is very close to 24.
24.1 is the value of thee most abundant isotope.
Answer:
The number of waves that pass a fixed point in a given amount of time
Explanation:
They use frogs because it easy to get and shows what is going on by what they eat what happened to them and other things.