37. B. storm waves pulling sand from the beach out into the ocean
38. B. Tree rings
40. E. thermosphere
41. D. Only beach nourishment uses a hard structure to manage erosion.
42. B. 2.2 GtC/yr out of the atmosphere
43. D. The railroad industry used coal to power steam engines, allowing businesses to build more factories for the production of goods.
44. D. The flow of goods is decreased or halted.
37. Which of the following is one way that beach erosion can occur?
A. storm waves bringing sand to the beach from the ocean
B. storm waves pulling sand from the beach out into the ocean
C. currents increasing the sand on the beach with additional sand from the ocean
D. currents replacing sand on the beach with sand from the ocean
38. Scientists have several specimens from the same time period from several thousand years ago. Which two specimens should they study so that they can most easily learn about the amount of rainfall at that time and the kinds of plants that grew then?
A. Ice cores
B. Tree rings
C. Continental rock samples
D. Foraminifera
E. Fossilized Pollen
40. Which layer of the atmosphere has the widest variation in temperature?
A. mesosphere
B. exosphere
C. stratosphere
D. troposphere
E. thermosphere
41. How do beach nourishment and vegetation management differ in the ways they manage beach erosion?
A. Only vegetation management replaces sand on the beach.
B. Only vegetation management brings in plants to keep sand on beaches
C. Only beach nourishment provides protection from floods.
D. Only beach nourishment uses a hard structure to manage erosion.
42. Use the following scenario to calculate the carbon flux in the atmosphere. The amount of carbon that enters the atmosphere through natural processes is 211.6 GtC/yr and the amount that leaves the atmosphere through natural processes in 213.8 GtC/yr. The amount of carbon released by burning fossil fuels is 5.5 GtC/yr. What is the carbon flux in the atmosphere?
A. 3.3 GtC/yr out of the atmosphere
B. 2.2 GtC/yr out of the atmosphere
C. 3.3 GtC/yr into the atmosphere
D. 2.2 GtC/yr into the atmosphere
43. How did the use of coal affect human activity in the 1800s?
A. The steel industry used coal to produce electricity, making electricity available to everyone across the country.
B. The food industry used coal to make plastics, making storing goods more efficient.
C. The automobile industry used coal to fuel cars, expanding people's use of transportation.
D. The railroad industry used coal to power steam engines, allowing businesses to build more factories for the production of goods.
44. Which of the following is a possible consequence of damage to infrastructure due to flooding?
A. The prices of local crops are lowered.
B. Pollutants are spread to farmland.
C. Homes and businesses are washed away.
D. The flow of goods is decreased or halted.
1 answer
1 answer