Which are the only two elements liquid at room temperature?

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

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n