How fast do sound waves travel under normal conditions? A. 110 feet each second B. 1100 miles per hour C. 1100 feet each second D. 1100 miles each second

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.