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kolezko [41]
3 years ago
6

Scientists believe that there are three genes that contribute to skin color in humans.

Chemistry
2 answers:
Darina [25.2K]3 years ago
4 0

Answer:B

Explanation:

I took the test

bulgar [2K]3 years ago
3 0

Answer:

b

Explanation:

bjdcbndjcf jvhbf its just b

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If a link says to click on it please don’t it’s a scam
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3 years ago
If a wave has a wavelength of 13 meters and a period of 0.005, what's the velocity of the wave? A. 2,600 m/s B. 260 m/s C. 1,300
Rina8888 [55]

Answer:

V = 2600ms⁻¹

Explanation:

Given parameters:

Wavelength(λ) = 13meters

Period (T) = 0.005s

Period(T) is the time it takes for a full cycle of vibration to pass through. It's unit is in seconds (s)

The Velocity of waves is expressed as:

V = fλ

Where f = frequency(s⁻¹)

Frequency of a wave is the number of waves that passes through a point per unit time

f = 1/T

Where T is the period

We can therefore express Velocity of waves as a function of period

V = λ/T

Inputing the parameters, we have:

V = 13m / 0.005s

V = 2600ms⁻¹

7 0
3 years ago
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Which wind blows cool air inland during the day?
Korolek [52]

Answer:

Land Breeze is the answer

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3 years ago
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In the experiment involving hydrated copper sulfate, overheating causes a high calculated percent value for water. why is the hi
Strike441 [17]
The answer to this question would be: Because the increase of temperature will increase volume.

Using PV=nRT formula we can see that temperature increase will cause an increase in volume. Overheating will cause the volume increase, then increasing the volume. If the percent value used is based on the volume, it will seem that the water is increased. But if the percent is using mass, there will be no increases.
That is why sometimes scientists using molality in a reaction with high temperature changes.
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Which of the following is not a physical property of a liquid?
Usimov [2.4K]
Gas is not a liquid, hope this helps, o and next time you might wanna put the answer choices thanks
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