Seismic waves will when they encounter plastic material. speed up travel straight paths disappear slow down

Acompany produces items in small batches. the machinery needs to warm up before the items can be produced. the scatterplot shows the time needed to produce batches of different numbers of items. based on the line of best fit, which of these statements is true?

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from