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andrey2020 [161]
2 years ago
5

Why are people dum

Biology
1 answer:
VLD [36.1K]2 years ago
3 0
Ummmm sissss ummmmmmm
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Answer:

Only options A (first one) reflects the instances with valid experiment or conclusion.

Quality of any experiment depends upon two things reliability and validity. Reliability is measure of regeneration of results every time an experiment is performed under specific conditions.

Validity is measure of accuracy of results of an experiment. It can be check by two ways: internal validity (checks the design of the experiment) and external validity (checks if the conclusion is the real explanation of the phenomenon).

Now, in marine biologist experiment, he concluded the results only after one breeding season. This makes his results unreliable as it might have happened by chance.

Similarly, in cola experiment the taste was only checked by one candidate i.e. Karl. He might have problem in his taste buds. In addition, the temperature of cola can also affects its taste which is not taken care of in the experiment. Hence, it is not the valid experiment.

Similarly. Jeanette could use more plants for her experiment and Robert just followed only one instruction. He didn't perform any experiment.

<h2>* BRAINLIEST WOULD BE V APRECIATED :) </h2>

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3 years ago
Which statements correctly explain why biological productivity in the tropical ocean is so meager when compared to biological pr
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<span>The answer to this question would be: 
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In tropical lands, the area is getting sunlight all around the year. This will cause the plant to be able to do photosynthesis all around the year too. Sunlight can penetrate the ocean, but the intensity will be much lower in deeper part. The ocean also become warmer but it will become cold in the deeper part too. </span>
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3 years ago
A(n) _____ is a possible explanation or an answer to a question that can be tested.
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Im pretty sure its hypothesis

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The answer will be B.Succession 

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