The distance from one wave crest to another is one
A. Amplitude
B. Frequency
C. Wavelength

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.