Which electromagnetic wave has wavelengths ranging from the size of a printed period to the length of a pen (1x10^-3to 1x10^-1meters)?
a
microwaves
b.
radio waves
c.
infrared radiation
d.
x-rays

True or false: the revolution of the earth creates day and night as it rotates around the sun

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

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