Aschool bus would have what relationship to a meter? 1. longer than 2. shorter than 3. the same as

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *