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enyata [817]
2 years ago
13

HELP ME PLZ ASAP!!

Biology
2 answers:
MAXImum [283]2 years ago
6 0

Answer:

I do not know if this is correct, but I think it is a meteor

Explanation:

Schach [20]2 years ago
5 0

Satellites are those small body, while it is still out in space, NOT while it burns up in Earth’s atmosphere.

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the answer is epipelagic zone

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Which of the following is an example of Genetic Engineering?
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Answer is B in my opinion
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The fluid mosaic model describes the plasma membrane as consisting of
Hoochie [10]
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1 year ago
Tire manufacturers design tires to stop quickly in various conditions. Use the table to answer the question.
Arada [10]

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it has the longest distance going in feet in a hot/dry climate

3 0
2 years ago
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An owl has good night vision because its eyes can detect a light intensity as small as 5.0 × 10-13 W/m2. What is the minimum num
Lady bird [3.3K]

Answer:

Thus, the minimum number of photons per second is 77.34

Explanation:

Light intensity, I_{min} =  5\times 10^{-13} W/m^{2}

Pupil has a diameter, d = 8.5 mm

                                      = 8.5 x 10^{-3} m

Radius of the eye, r = 4.25 x 10^{-3} m

∴ Area of the eye, A = \pi .r^{2}

                                 = 3.14\times \left ( 4.25\times 10^{-3} \right )^{2}

                                = 5.6\times 10^{-5} m^{2}

Let P_{min} be the minimum number of photons.

Therefore, P_{min} = I_{min} x A

                                              = 5\times 10^{-13} x 5.6\times 10^{-5}

                                             = 2.8\times 10^{-17} W

Thus the minimum number of photons is given by

N_{min}=P_{min}/E

where E = hc/\lambda

             = \left (6.63\times 10^{-34}\times 3\times 10^{8}  \right )/548\times 10^{-9}

            = 3.62\times 10^{-19} J

Therefore, N_{min} = \frac{2.8\times 10^{-17}}{3.62\times 10^{-19}}

                                              = 77.34 photons per second

Thus, the minimum number of photons per second is 77.34

4 0
3 years ago
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