How many signals are expected in a 13C NMR spectrum of methylcyclohexane?

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration