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spin [16.1K]
3 years ago
9

It is so important in our everyday lives to be able to evaluate if a claim is truly scientifically reliable or not. Often, adver

tisements will claim to have “proven results”. Can you evaluate if this is a reliable claim or not?
Give an example of 3 questions you can ask yourself to determine if a claim is scientifically reliable or not:

1
2
3
Biology
1 answer:
Aloiza [94]3 years ago
4 0
What is their source? 
- they could be a part of a marketing scam 
- the key question is: how do they know? 
- <span> Who produced it and what background do they have?
- what other studies could the group have produced?</span>

Is the main point of the claim proven by evidence? 
- In order to figure out if something is reliable or not, you have to ask whether it makes sense and whether the conclusions were proven
- do the conclusions follow logically from what has been cited, or are they being drawn from evidence that doesn't support them at all? 

Do the sources have a bias? 
- That<span> doesn’t necessarily mean what they have to say isn’t reliable
- But think about whether they are a witness to facts or are just describing their opinion
</span>
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riadik2000 [5.3K]

Answer:

A. Haploid (n)

Explanation:

Conifers do not exhibit double fertilization that forms triploid (3n) endosperm in flowering plants.

Endosperm in conifers develops from the haploid cell of female gametophyte before fertilization. Since the endosperm is formed by the mitotic divisions in the haploid cell (n) of female gametophyte, it is haploid (n) in nature.  

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What do you think when you hear DNA? 13pts
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Genetics, double helix, cells
7 0
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Read 2 more answers
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Answer:

D. Adds new bases

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7 0
3 years ago
Which prediction will most likely describe how friction will affect her findings? The distance for Trial 3 will be greater than
Juliette [100K]

The complete question is :

Charlie is investigating friction. She will use the same amount of force to push two wooden balls across two level surfaces. Then she will record her results in the table below.

Which prediction will most likely describe how friction will affect her findings?

Answer:

The distance for Trial 3 will be greater than the distance for Trial 4 because the difference in surface roughness will affect friction.

Explanation:

The frictional force depends greatly on the roughness of the body surfaces. It acts opposite to the direction of motion when two body surfaces have a relative motion between them.

In the context, equal mount of force is applied to push the wooden balls. So the net force which acts on the balls are :

F' = F - f

Here, F = the force applied

         f = force of friction

And f = μ.N (N = reaction force)

Here μ is the coefficient of friction that depends on the surface roughness. The frictional force will be less when the surfaces are smooth. Thus for the trails 3 and trial 4, the distance for trail 3 would be greater than trail 4 as the surface is polished and would offer less friction.

8 0
2 years ago
If you are driving down the road, how do you know that the car is moving (think about your reference point)?
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If your car is changing speed by accelerating or decelerating, or changing directions by turning or hitting a bump, your body can sense these accelerations. You might be pressed against the back of your seat while speeding up or against the car door as you turn for example. If you are cruising at a constant speed, with no changes in speed or direction, you wouldn't be able to feel it. You would need to use your other senses. You could see the scenery going by through the windows, with closer objects moving by more quickly than objects in the distance. You could also hear sounds like the wind rushing by and the hum of the tires rolling on the highway.
5 0
3 years ago
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