Will give brainiest The half-life of an isotope is three minutes. If you start with 16 mg, how long will it take for 1 mg to remain

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

Define dew point. i am writing this part to be able to ask the question

When a scientific theory has been tested and proved by the scientific community, it becomes a law