Observe, molecules move away from each other first, after molecules move around each other. what do we observe? before substance was a liquid. later, was a solid. or before sub. was a gas, later a liquid. or before sub. was a liquid, later a gas. or before sub was solid, later a liquid.​

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).