To find average atomic mass you multiply the mass of each isotope by its percentage, and then add the values up.
35 * 0.90 + 37 * 0.08 + 38 * 0.02 = 35.22
Average atomic mass closest to 35.22 amu.
Answer:
uy pasagot kung nasagutan mo na pls wala pa akong sagot jan
Well usually a tornado forms when hot air and cold air come together and in the south, but since the weather is cold and they live by mountains a tornado would not happen.
A hurricane happens by the ocean.
I believe the answer would be a rainstorm. <span />