If sediment input to a beach from rivers is greater than the output carried by the longshore current, will a beach grow or shrink? Explain your answer.

Choose all that apply. A terminal moraine is a. composed of stratified sediment. b. found at the snout of a glacier. c. composed of poorly sorted sediment. d. deposited by glacial outwash.

Which of the following is a depositional feature found along a coastline? a. sea arch, b. wave-cut terrace, c. sea cave, d. sand spit.

Which is not a characteristic of all planets? A. exceed the total mass of nearby objects B. have a nearly spherical shape C. have one or more moons D. make an elliptical orbit around the Sun

What type of landform is a beach?

Sediments that are deposited in subglacial streams produce sinuous mounds of stratified sediment called a. dunes. b. arêtes. c. moraines. d. eskers.

Compare and contrast dunes and moraines.

Polyethylene is used for the production of beach chairs as well as beach balls. Which of these items is made from more highly branched polyethylene?

Which sediments are deposited farthest from the mouth of a river? a. silt grains, b. pebbles, c. sand grains, d. cobbles.

Sketch the graph of the function.

$$y=4^{-x}$$

You place a long straight wire on top of your compass, and the wire is a height of 5 mm above the compass needle (Figure 17.81). If the conventional current in the wire is I = 0.2 A and runs left to right as shown, calculate the approximate angle the needle deflects away from north and draw the position of the compass needle.

Which of the following statements about buttes are true? Choose all that apply. a. A butte is a landform that is taller than wide. b. A butte is a table-like landform with steep-sided cliffs. c. A butte is a small, isolated hill with steep sides and a small flat top. d. A butte is a flat area of land that is higher than other areas that surround it.

Complete the sentence. A nucleus that spontaneously breaks apart, emitting particles of energy is referred to as _.

Find the mean and median for the grouped data in the following table. U.S. Presidents' Ages at Inauguration

$$\begin{matrix} \text{Age } & \text{Number}\\ \text{39.5-44.5 } & \text{2}\\ \text{44.5-49.5 } & \text{7}\\ \text{49.5-54.5} & \text{12}\\ \text{54.5-59.5 } & \text{13}\\ \text{59.5-64.5 } & \text{7}\\ \text{64.5-69.5} & \text{2}\\ \text{69.5-74.5} & \text{2}\\ \end{matrix}$$