1) list 4 regions that have very deep (greater than 500 km) earthquakes. describe these 4 locations to the best of your ability.
2) for each region listed above, what type of plate boundary is found there?

How do convection currents form underwater mountains?

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?

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?