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3 years ago

Which of the following is a function of the nervous system?

Biology

1 answer:

N76 [4]3 years ago

7 0

I think the answer is C. increasing cellular respiration in muscle tissues
hope i can help ✨

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Which chromosome is affected by epidermolysis bullosa?

Neko [114]

<span>epidermolysis bullosais caused by the 12th chromosome

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2 years ago

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What are strata? A inconsistencies in the fossil record B. rock layers READ C. well-known and widespread fossils

morpeh [17]

Answer:

B. Rock Layers

Explanation:

The definition is a layer or a series of layers of rock in the ground.

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3 years ago

Which of the Jovian planets are ice planets? i Uranus and Neptune Mercury and Venus Neptune and Venus Saturn and urhus

Anastasy [175]

Answer:

uranus and neptune

Explanation:

uranus and neptune

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2 years ago

Can a catalyst be used over and over again?

Diano4ka-milaya [45]

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2 years ago

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