Do you know what kind of train this is

Astudent who takes a multiple-choice test by reading the stem of each item, generating the correct response before looking at the choices, and then chooses the response closes to the answer is using a.a heuristic b.an algorithm c.vicarious problem-solving d.means-end analysis

Arrange the following in order from the shortest wavelength to the longest wavelength. visible light gamma rays radio waves x-ray waves microwave infrared

29 points houston we have a problem