3 years ago

Which of the following statements best explains why genetic variation is important to the survival of a population?

Physics

2 answers:

Oxana [17]3 years ago

6 0

D. Genetic variation increases the likelihood of an allele being present that is best suited for the environment.

bulgar [2K]3 years ago

5 0

D,genetic variation gives organisms a better chance to live.

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The maximum current output of a 60 ω circuit is 11 A. What is the root mean square voltage of the circuit?

goldenfox [79]

Answer:

660V

Explanation:

V=IR

V=?, I=11A,R=60w

V=60 ×11

=660V

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3 years ago

A car enters a level, unbanked semi-circular hairpin turn of 100 m radius at a speed of 28 m/s. The coefficient of friction betw

meriva

Answer:

As 28m/s = 28m/s

Explanation:

r = the radius of the curve

m = the mass of the car

μ = the coefficient of kinetic friction

N = normal reaction

When rounding the curve, the centripetal acceleration is

$a = \frac{v^{2}}{r}$

therefore

$\mu mg = m \frac{v^{2}}{r} \\\\ \mu = \frac{v^{2}}{rg}$

$v = \sqrt{\mu rg}$

$\mu = \sqrt{0.8 \times 100\times9.8} \\\\= 28m/s$

As 28m/s = 28m/s

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3 years ago

What happens to light when it travels from air into water

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Water is more dense than air. When water goes through a denser thing, the light is "bent" more towards the "normal" which is a straight, vertical line.

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2 years ago

Help!! If an atom has 7 protons and 8 neutrons, and is not in an excited state, how many electrons would Bohr say the atom has?

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The answer I believe is 6

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