3. A scientific investigation typically begins when a scientist makes observations that lead to the formation of a (n) ? A. law
B. theory
C. hypothesis
D. none of the above

What is i fracture in the crust called when land move up, down or sideways

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves