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gtnhenbr [62]
3 years ago
9

Does anybody know the answer to this question please help me 10 more minutes

Biology
1 answer:
bija089 [108]3 years ago
3 0

Answer:

The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!

Explanation:

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In horses, a black coat is dominant to a brown coat (B = black, b = brown). Long legs are dominant to short legs (L = long, l =
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Answer:

Bb ll for the black short-legged horse

bb Ll for the brown long-legged horse

bb ll for the offspring

Explanation:

In order for the offspring to have the two recessive traits, the parents must have been carrying the recessive genes on at least 1 allele. The first horse is black, but it must have a little b for the offspring to gain a little b from it. The second horse and the offspring are brown, so they must both have two little b's. The same goes for the length of the legs. The first horse and offspring must have two little l's because they have short legs and the second horse must have 1 little l in order for the offspring to inherit 1.

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In the desert, which organism would most likely be at the bottom of the food chain
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2 years ago
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what is the significance of the demographic transition in studies of human population aroumd the world?
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7 0
4 years ago
A hanging wire made of an alloy of aluminum with diameter 0.11 cm is initially 2.2 m long. When a 34 kg mass is hung from it, th
Lubov Fominskaja [6]

Answer:

Explanation:

Given that d = 0.11cm = 0.0011m, l = 2.2m, extension = 1.24cm = 0.0124m, mass = 34kg

force = 34 x 9.81 = 333.54N, Area = Pi x d²/4 = 3.142 x 0.0011^2/4 = 9.505x10^-7m²

Calculate the stress = Force/Area = 333.54N / 9.505x10^-7m²

= 350926661.4N/m²

calculate the strain = extension/original length

= 0.0124 / 2.2 = 0.00563

Young modulus of elasticity = Stress/Strain = 350926661.4N/m² /  0.00563

= 6.2332 x 10^10Pa

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