25 ml of water is poured into a graduated cylinder. several coins are dropped into the water, and the new volume is measured to be 30 ml. what is the volume of the coins? a. 5 cm³ b. 10 cm³ c. 25 cm³ d. 30 cm³

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Which of the following list the divisions of the geologic time scale in order from longest to shortest