8) Marine terraces are (choose the correct one): (1 pt) a) layers of flat-lying
ID: 288976 • Letter: 8
Question
8) Marine terraces are (choose the correct one): (1 pt) a) layers of flat-lying sandstone; b) features which form on bedrock coasts owing to wave action 9) Cations (Na, Ca, and K) in sea water originate from- by and are brought into oceans - (2 pts) 10) Sea water around Nova Scotia is saltier than the global average. (T or F) pt) 11) A wind blowing along Nova Scotia's Atlantic coast, from SW to NW, would generate an Ekman current at the ocean surface that flows: offshore / onshore. (circle one) (1 pt) 12) Which two responses are true for waves moving from deep water into shallower water along a coastline? (2 pts) a) wave speeds increase and wavelengths increase; b) wave heights increase and wave speeds decrease; c) wave heights decrease and wave lengths increase; d) wave speeds and wave lengths decrease 13) Which one correctly describes how a stream's sediment budget responds to construction and filling of a dam and reservoir? (1 pt) a) deposition in the reservoir and upstream channels; erosion and downcutting of the channel immediately downstream from the dam; b) deposition in the reservoir and channel downstream from the dam; bottom erosion and scouring of the channel upstream from the reservoir. 14) Venus rotates from east to west (when viewed looking down at its north pole), and has a gaseous atmosphere. What is the direction of the Coriolis Effect in Venus' southern hemisphere? (note: because Venus' rotation rate is slow-243 Earth days, for one Venus' rotation-its Coriolis Effect is actually very small, but it still has a direction.) (2 pts)Explanation / Answer
ANSWER
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Marine terraces are Layers of flat-lying sandstone
Therefore answer is a
EXPLANATION
Marine terraces are the flat, horizontal or gently inclined surface which consist with sandstone of marine origin ,mostly an old abrasion platform which has been lifted out of the sphere of wave activity .
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Cations (Na, Ca, and K ) in sea water originate from …the weathering of rock on land …. And are brought into oceans by …Rivers ………..
EXPLANATION
The weathering of rock on land is a slow process of breakdown of rock by water with dissolved carbon dioxide and that makes it slightly acidic . During this chemical weathering of rock produces cation and then they are brought into the oceans by Rivers (or river’s water )
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Sea water around Nova Scoita is saltier than the global average - this statement is true
11.A wind blowing along Nova Scotia’s Atlantic coast from the SW to NW , would generate an Ekman current at the ocean surface that flows offshore.
12. when wave moving from deep water to the shallow water along a coastline then its wave high increase and wave speed decrease (due to friction )and also its wavelength decrease .
Therefore answer true answer are b & d
13. how a stream’s sediment budget response to construction and filling of dam and reservoir ?
Answer is B .
That is deposition in the reservoir and channel downstream from the dam , bottom erosion and scouring of the channel upstream from the reservoir .
14. venus rotates from east to west ( venus show the retrograde motion ) but our earth has prorate motion that is the angular motion of venus about its own axis is just opposite to our earth .
In our earth the direction of coriolis effect in the southern hemisphere is left side of the direction of motion . therefore as venus’s rotational motion ( about its own axis ) is opposite of earth , so here direction of coriolis effect is right of the direction of motion of the object in the southern hemisphere
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