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Vsevolod [243]
3 years ago
5

Which scenario would result in a positive population growth? Use this formula: population growth = (birth rate + immigration) –

(death rate + emigration)
A. 30 individuals emigrate, 30 individuals die, 30 individuals are born, 0 individuals immigrate
B. 22 individuals emigrate, 10 individuals are born, 12 individuals immigrate, 0 individuals die
C. 15 individuals immigrate, 9 individuals emigrate, 6 individuals are born, 0 individuals die
D. 18 individuals immigrate, 20 individuals die, 1 individual is born, 0 individuals emigrate
Physics
2 answers:
RSB [31]3 years ago
5 0

Answer:

c.  I got it right on Edge

Bas_tet [7]3 years ago
3 1

B?

no one dies, just people moving and being born

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Where is the near point of an normal eye when accidentally wear a contact lens with a power of +2.0 diopters?
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Answer:

The near point of an eye with power of +2 dopters, u' = - 50 cm

Given:

Power of a contact lens, P = +2.0 diopters

Solution:

To calculate the near point, we need to find the focal length of the lens which is given by:

Power, P = \frac{1}{f}

where

f = focal length

Thus

f = \frac{1}{P}

f = \frac{1}{2} = + 0.5 m

The near point of the eye is the point distant such that the image formed at this point can be seen clearly by the eye.

Now, by using lens maker formula:

\frac{1}{f} = \frac{1}{u} + \frac{1}{u'}

where

u = object distance = 25 cm = 0.25 m = near point of a normal eye

u' = image distance

Now,

\frac{1}{u'} = \frac{1}{f} - \frac{1}{u}

\frac{1}{u'} = \frac{1}{0.5} - \frac{1}{0.25}

\frac{1}{u'} = \frac{1}{f} - \frac{1}{u}

Solving the above eqn, we get:

u' = - 0.5 m = - 50 cm

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The North Star, or Polaris, is the brightest star in the constellation Ursa Minor, the little bear (also known as the Little Dipper). As viewed by observers in the Northern Hemisphere, Polaris occupies a special place
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A fixed-geometry supersonic inlet starts at a Mach number of 3. After starting, the cruise Mach number is 2, and the operating s
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Answer:

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A certain shade of blue has a frequency of 7.15 × 1014 hz. what is the energy of exactly one photon of this light?
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E=hf
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3 years ago
In this reaction diagram which part represents the doffrence in energy between the reactants and the products?
Annette [7]

Answer:

The correct answer is - option C. G.

Explanation:

In this reaction diagram, there is a representation of the reaction profile. The reaction profile shows the change that takes place during a reaction in the energy of reactants or substrate and products. In this profile, activation energy looks like a hump in the line, and the minimum energy required to initiate the reaction.

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