What would happen if I hired two private investigators to follow each other

If a balloon is taken outside on a very cold day, what will occur?

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the

50.)the diagram below represents the wave fronts produced by a point source moving to the right in a uniformmedium. observers are located at points a and b.compared to the wave frequency and wavelength observed at point a, the wave observed at point b has a(1) higher frequency and a shorter wavelength(2) higher frequency and a longer wavelength(3) lower frequency and a shorter wavelength(4) lower frequency and a longer wavelength