B
A barrage is a dam-like structure that is built in the tidal zone of an ocean to capture tidal energy.
Explanation:
It has sluice gates that can be controlled to harness the kinetic energy in the flow of water. The sluice gates also have turbines. During high tides, as the water flows into the barrage, it turns the turbines that generate electricity using the dynamo effect. During low tide, as the water recedes back to the oceans, and the barrage gets emptied, the water flow, again, turns the turbines.
Some barrages first capture the ocean water during high tide, until the dam-like structure is full, without generating electricity. When the tide is low, the sluice gates release the water and the turbines generate electricity. This kind is a one –way power generation.
Learn More:
For more on tidal power check out;
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<u>Answer:</u>
<em>Whistling seen as a bad practice by sailors because it challenges the sea is an example of pseudoscience.
</em>
<u>Explanation:</u>
Pseudoscience literally means false science. It claims to be science but it is not scientific at all. It completely fails in a <em>scientific scrutiny </em>and it is not open to evaluation by other experts.
They are just beliefs and practised claimed to be factual even without any proper method used in <em>developing the hypotheses.
</em>
False<em> pseudo scientific claims</em> can be harmful at times. An example is the propaganda against vaccination.
The answer is <em><u>not</u></em> Organisms would be classified based only on physical characteristics!!
I strongly feel that it would be....
<em>--the existing classification system may change to accommodate the new information.--</em>
<em>Reason:</em> Some things would not just be classified by appearance. Rather, this would add more possibilities to classification. We know that plants and dogs look nothing alike yet they are still related through the Domain (Eukarya).
I also took this test and relied on the other answer, sadly, it was incorrect.
I hope i could help! Let me know if this is incorrect. ~ Ninja Cat :D