Write the molecular formula of ferric oxide and calcium hydroxide by criss-cross method

If soap hits the floor, is the soap dirty or the floor

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

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough