If the thermometer reads 20° celsius, what's the temperature in fahrenheit? a. 52° b. 68° c. 72° d. 36°

Identify the amplitude on the diagram and give the correct description. question 3 options: a because amplitude is the distance from wave crest to wave crest. b because the wavelength shows amplitude. c because amplitude is the distance between a crest (or trough) and rest. d because wavelength show amplitude. (brainiest if you get it right! ) ~kayla

What will a positive and a negative charge do if they are separated from each other?

3. which is not a primary color of light? blue red green yellow