When might you have to retake the knowledge, and road tests again?

Which type of reaction always has an element and a compound as reactants

What is the correct term for living the most sustainable life you can within your current circumstances?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line