The particles of a substance stay close together but slide past one another as they move. When thermal energy is added to the substance, the particles
start to move independently of one another. What change in state has
occurred?
A. Liquid to gas
B. Liquid to solid
C. Solid to gas
D. Solid to liquid

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.