What do theories help scientists do? explain large collections of data
propose new ideas on the subject
determine if a claim is false
prove hypotheses to be correct

The speed was not exceeded so it was slow

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.

Answavelength; amplitude;

The answer is a your welcome