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Marrrta [24]
3 years ago
13

What maintains the average global temperature suitable for living organisms?

Biology
1 answer:
NeTakaya3 years ago
4 0

D. greenhouse gases is the answer

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Juli2301 [7.4K]
Scientists use fossils to study earth history by identifying the fossil and what era it came from. By knowing what era the fossil came from and what location it was found, scientists can make assumptions about the earth formation at that time.
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Whats the worst Zodiac sign and why?<br>Whats your Zodiac sign? <br>have a nice day ♡​​
mixas84 [53]

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Have a Merry Christmas,

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3 0
3 years ago
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According to the oxygen-hemoglobin dissociation curve, PO2 in the lungs of 100 mm Hg results in Hb being 98% saturated. At high
tatiyna

Answer:

95%.

Explanation:

Oxygen-hemoglobin dissociation curve:

Oxygen-hemoglobin dissociation curve is basically a sigmoid curve which relates between the saturation of oxygen (SO2) and partial pressure of oxygen in blood (PO2). It shows the affinity of oxygen with hemoglobin at different temperature and other factors. In the oxygen-hemoglobin dissociation curve; saturated oxygen is ploted on verticle axis and partial pressure of oxygen in mmHg on the horizontal axis.

Here in the above scenario at the high altitude oxygen is less and at 80 mmHg, Hb would be 95% saturated.

8 0
3 years ago
Alex had two black rats (dominant). He allowed his black rats to mate and was shocked to see that three of the rat babies were b
Anton [14]

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8 0
3 years ago
Read 2 more answers
!Please help me!
yulyashka [42]

Answer is at the very end

Explanation:

Given parameters:

Mass of the asteroid = 10 x 10⁹kg

Distance between the asteroid = 850km

Unknown:

Force = ?

Solution:

We can predict the outcome of this reduction in distance between the two masses using the newton's law of universal gravitation.

The law states that "the gravitational force of attraction between two masses is directly proportional to the product of their masses and inversely proportional to the square of the distances between them".

 Mathematically, we have;

          F =

F is the gravitational force

G is the universal gravitational constant = 6.67 x 10⁻¹¹Nm²kg⁻²

m is the mass of the body

r is the distance between them.

 From this, we know that as the separation increases, the force of gravitation will reduce since the mass is constant.

The distance between the two asteroids decreased from 1000km to 850km, this will increase the force of attraction between them and we expect the force to be higher than 6700N.

 At 1000Km, force = 6700N,

 since as the distance reduces the force increases, we expect the force to be about 9200N.

Let us verify this by plugging the values into the equation:

       F =

      F = 9200N

7 0
3 years ago
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