A) Manish and Revathi are making lemon Juice for themselves. Manish wants cold juice, so he adds sugar to cold water. Revathi adds the same amount of sugar but the water is at room temperature. In which case will the sugar dissolves faster and why? 1. Name the separation technique that can be used to separate sand from pebbles.
2. Explain the principle behind this separation method.​

The safe load, l, of a wooden beam of width w, height h, and length l, supported at both ends, varies directly as the product of the width and the square of the height, and inversely as the length. a wooden beam 4 inches wide, 9 inches high, and 240 inches long can hold a load of 6810 pounds. what load would a beam 3 inches wide, 8 inches high, and 144 inches long, of the same material, support? (round off your answer to the nearest integer.)