If the frequency of the wave above was 4 Hz. what was the velocity of the wave?

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false