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Ray Of Light [21]
3 years ago
12

What is the difference between abiotic and biotic factors?

Physics
2 answers:
butalik [34]3 years ago
6 0
Abiotic is not living and biotic is alive
lapo4ka [179]3 years ago
3 0

Answer:

Abiotic referfers to non-living and biotic factors are living or once living

Explanation:

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The intensity of a certain siren is 0.060 W/m^2 from a distance of 25 meters. What is the intensity of this siren at a distance
Nady [450]
<h2>The intensity of siren is 0.015 W m⁻²</h2>

Explanation:

The intensity of sound is inversely proportional to the square of distance between source and the observer .

Thus Intensity at a distance 25 m  is I₁ ∝ \frac{1}{r_1^2}                               I

Similarly the intensity at a distance 50 m is I₂ ∝ \frac{1}{r_2^2}               II

Dividing II by I , we have

\frac{I_2}{I_1} = \frac{r_1^2}{r_2^2} = \frac{25^2}{50^2} = \frac{1}{4}

Thus I₂ = \frac{1}{4} x 0.06 =  0.015 W m⁻²

7 0
3 years ago
What element exists in almost every compound in your body and other living things
Aleks [24]
Carbon is one of the main building blocks of life. This is what carbon dating is so effective, because scientists are able to tell the approximate age of something that was once alive given how much carbon is still in the animal. 
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3 0
3 years ago
Which statement describes something that should always be done at the end of a calculation?
Reika [66]

Answer:

C) Check that the numerical answer is reasonable and the units are what you expected.

Explanation:

5 0
3 years ago
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Before the start of a trip, air in a tire is at 320 kPa gage pressure and 27°C temperature. At the end of the trip the tire pres
tia_tia [17]

Answer:

The temperature of air in the tire is 55.57 ºC

Explanation:

Please look at the solution in the attached Word file

Download docx
7 0
3 years ago
When you changed from low to high power, how did the change affect the working distance of the lens?
Basile [38]

The working distance gets shorter as the magnification gets bigger. In order to focus, the high-power objective lens must be significantly nearer to the specimen than the low-power lens. Magnification is negatively correlated with working distance.

Magnification change The magnification of a specimen is increased by switching from low power to high power. The magnification of an image is determined by multiplying the magnification of the objective lens by the magnification of the ocular lens, or eyepiece.

The geometry of the optical system connects the magnifying power, or how much the thing being observed seems expanded, and the field of view, or the size of the object that can be seen.

To know more about  working distance

brainly.com/question/13551539

#SPJ4

4 0
1 year ago
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