Fig. 9.1 A man stands 160 m from the hammer. (a) A man sees the hammer hit the post and a short time later hears the sound of the post being hit. Explain the delay in heanng the sound,​

Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation

Compare the patterns of the two waves shown in the image. which statement is true about these waves?

Asemipermeable membrane is placed between the following solutions. which solution will decrease in volume? solution a: 1.4% (m/v) starch solution b: 7.62% (m/v) starch