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3 years ago

Which of these oceanic landforms is similar to a canyon?

2 answers:

8 0

The answer should be c) ocean trench since they are both like very large cracks in the ground that expand down and back up again. Sorry if I don't make much sense, just trying to reach the minimum amount of characters :)

Mila [183]3 years ago

7 0

Answer:

Option (C)

Explanation:

The oceanic trenches are often defined as those long and narrow type of depressions that are formed at the seafloor, along a convergent plate boundary between two oceanic plates or continental and an oceanic plate.

Canyons are the erosional features that are formed due to the down-cutting of the surface rocks by a deep and narrow type of river channel, giving rise to the formation of steep cliffs on both the sides of the channel.

Both these features are similar in appearance but oceanic trenches are formed at the bottom of the ocean whereas canyons are formed at the surface of the earth.

Thus, the correct answer is option (C).

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3 years ago

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A man can row a boat at 4kmhr in still water. He rows the boat 2km upstream and 2 km back to his starting place in 2 hours. How

Softa [21]

Answer:

2.83km/hr

Explanation:

Let stream flowing at the rat x km/hr

In still water

Speed of boat=4km/hr

Upstream speed=4-x

Downstream speed=4+x

Total time=2 hr

Time=Distance/speed

According to question

$\frac{2}{4+x}+\frac{2}{4-x}=2$

$\frac{8-2x+8+2x}{(4+x)(4-x)}=2$

$\frac{16}{4^2-x^2}=2$

Using the formula

$(a+b)(a-b)=a^2-b^2$

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3 years ago

Ann has a geography test next Friday. She needs to know all the US states and their capitals. Provide three effective techniques

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Answer: THIS IS THE EXACT ANSWER

Three effective techniques Ann could use to learn all the US states and their state capitals are visualization and association, creating a mnemonic device, and rhyming. She could learn some of the states and their capitals by visualizing her own experiences in or about the state. As an example of association, if Ann visited Idaho last winter to see her twin brothers, she might think “I went to Idaho to visit the boys” (sounds like Boise). By employing association, she connects her own life experience to the information she wants to remember to make recalling the information easier. To remember the capital of Washington, Ann might create a mnemonic device like “George Washington went to the Olympics” (Washington’s capital is Olympia). Mnemonic devices organize information to encode it in a way that helps with recall. To effectively use rhyming, she might remember Michigan is a northern state and use “Reindeer prancing in Lansing.” Rhyming provides a cue that helps with recall. All three of these techniques work in the encoding and retrieval stages.

Explanation:

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3 years ago