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Mandarinka [93]

3 years ago

13

In a population of seals, most of the seals have similar coloring. However, one seal has albinism. This seal is white and is alm

ost completely blind. What is most likely the cause of this difference from the rest of the population?

2 answers:

harkovskaia [24]3 years ago

8 0

Gene mutation ................

Kazeer [188]3 years ago

5 0

Gene mutation is the cause.

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Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, t

Natasha_Volkova [10]

Answer: 0.137 m/s

Explanation:

from the question we are given the following

mass of train A (Ma) = 150,000 kg

velocity of train A (Va) = 0.3 m/s

mass of train B (Mb) = 95,000 kg

velocity of train B (Vb) = -0.12 m/s

final velocity (V) = ?

mass of both trains = 245,000 kg

to solve this question we apply the conservation of momentum

MaVa + MbVb = (Ma + Mb) x V

V = (MaVa + MbVb) / (Ma + Mb)

V = ((150,000 x 0.3) + (95,000 x (-0.12))) / (245,000)

V = -33600 / 245,000

V = 0.137 m/s

6 0

3 years ago

Simon's cat is evil and likes to knock his alarm clock off the night stand every morning. Simon's cat must apply a __________ to

irina1246 [14]

Force, it is force because to be able to move anything you must use force.

6 0

2 years ago

Two parallel plates have equal and opposite charges. When the space between the plates is evacuated, the electric field is E= 3.

svetlana [45]

Explanation:

The given data is as follows.

Electric field between plates without dielectric, $E_{1} = 3.50 \times 10^{5} V/m$

Electric field between the plates with dielectric, $E_{2} = 2.40 \times 10^{5} V/m$ .

Permittivity of free space, $\epsilon_{o}$ = $8.85 \times 10^{-12} C^{2}/Nm^{2}$

Now, we will determine the charge density as follows.

$\sigma_{i} = \epsilon_{o}(E_{1} - E_{2})$

= $8.85 \times 10^{-12} \times (3.50 \times 10^{5} - 2.40 \times 10^{5})$

= $9.735 \times 10^{-7} C/m^{2}$

Thus, we can conclude that the charge density on each surface of the dielectric is $9.735 \times 10^{-7} C/m^{2}$ .

6 0

3 years ago

3. Specify the wrong sentences.

soldi70 [24.7K]

Answer:

a: false

b: True

c: i dont know

Explanation:

4 0

2 years ago

Explain why squeezing a plastic mustard bottle forces mustard out to top.

Oliga [24]

Answer:

because when squeezing you are increasing pressure within the bottle and there is less pressure on the outside

5 0

3 years ago

Read 2 more answers