Which of the following are characteristics of an active margin? (select all that apply)
Group of answer choicesDominated by tectonic upliftWide continental shelfFlat, Sandy beachesSteep cliffsDominated by erosionNarrow continental shelf
Question 2
2 pts
What is the name for the drowned edge of a continent?
Group of answer choicesContinental SlopeAbyssal plainContinental RiseContinental Shelf
Question 3
2 pts
What is the name given to the section of beach between average high and low tide?
Group of answer choicesSand dunesTidal poolsBeach FaceBerm
Question 4
2 pts
Spring tides occur when…
Group of answer choicesThe sun and the moon are at 90 degrees to one anotherThe sun is closer to the earthThe moon is closer to the earthThe sun, moon and earth are in a straight line
Question 5
1 pts
Relative sea-level change occurs when the land near the ocean stays in one place, but there is more water added to the oceans thereby covering more land.
Group of answer choicesTrueFalse
Question 6
2 pts
Which of the following are types of relative sea-level change? (select all that apply)
Group of answer choicesPlate tectonics causing uplift of land near the oceanMelting of glaciers adding more water to the oceansThermal expansion of water causing sea-level riseGround subsidence due to pumping of groundwater
Question 7
1 pts
Which of the following is a non-structural strategy employed to minimize the damage caused by beach erosion?
Group of answer choicesBuilding seawalls to protect cliffsPreventing building and development close to the oceanDune stabilizationAdding new sand to the beach
Question 8
1 pts
New Orleans is built on the delta of the Mississippi River.
Group of answer choicesTrueFalse
Question 9
1 pts
Sections of New Orleans are below sea-level.
Group of answer choicesTrueFalse
Question 10
1 pts
Hurricane Katrina was a chance occurrence and is unlikely to be repeated in the future
Group of answer choicesTrueFalse
Question 11
2 pts
The grinding of sand and pebbles against seacliffs as propelled by waves is termed…
Group of answer choicesBeach DriftAbrasionErosionCurrent
question 12
2 pts
New Orleans is susceptible to future flooding because… (select all that apply)
Group of answer choicesIt is surrounded on 3 sides by waterIt is at or below sea-levelIt is built on loose sedimentIt is in a hurricane prone area