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Andrej [43]
3 years ago
10

Jetties are constructed perpendicular to shore and extend beyond the surf zone causing sediment to accumulate on the up-drift si

de and erosion on the down-drift side. Group of answer choices True False
Geography
1 answer:
horrorfan [7]3 years ago
3 0

Answer: True

Explanation: Jetties are structures constructed perpendicular to shore. They form a 90 degree angle to the shore and cause sediment to accumulate on the updrift side. This is the side that provides sediments.

Jetties are made of heaps of stones or concrete deposited at coastal inlets. They change the longshore current, and due to this, create updrift beaches.

Shoreline Structures such as jetties, and seawells help protect the shoreline from erosion and lessen the effect of currents and waves on the shoreline.

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Answer:

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3 years ago
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The product of my number and twice my number is 128 what is half my number
Ad libitum [116K]

Let's call your number n. Twice your number is 2n. The product of your number and twice your number (so n multiplied by 2n) is 128.

Set up an equation:

n × 2n = 128

2n² = 128

Divide both sides by 2:

n² = 64

Square root both sides to isolate n:

n = 8


The question asks for half your number, so just half 8:

8 ÷ 2 = 4.


Half your number is 4.

8 0
3 years ago
How does water pollution affects marine ecosystems.
Mashutka [201]

Water pollution affects marine ecosystems by completely killing it off. Pollution kills fish, reefs, and other underwater life. With this pollution, animal's behaviors can change, and habitats are destroyed.

I hope this helped, and I hope you pass your assessment!

3 0
3 years ago
Which of the following is not an esxample of blogenic sediment? Select one: Θ a, microscopic skeletal fragments O b. abyssal cla
kobusy [5.1K]

Answer:

abyssal clay  is not an example of biogenic sediments .

Explanation:

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The two most common types of biogenic oozes are calcareous and sileceous.

abyssal clays are the fine grained sediment particles that are settled in the deep ocean basins.

abyssal clay mostly consists of land derived eroded particles and have less than 30% of organic matter in them ,

Hence , abyssal clay is not an example of biogenic sediment.

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Ecosystems exist at a range of scales and involve the interaction between biotic and abiotic components. An example of a small scale UK ecosystem to illustrate the concept of interrelationships within a natural system, an understanding of producers, consumers, decomposers, food chain, food web and nutrient cycling.

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