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2 years ago

The _________ indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.

2 answers:

5 0

Answer:The <em><u>Earth's albedo</u></em> indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.

Explanation:

Earth's albedo tells us about the how much energy absorbed from sun's radiation remains on the planet Earth and how much much energy absorbed is reflected back into space.

Where as:

Coriolis effect : The object moving in northern hemisphere tend to deflects towards right and object moving southern hemisphere tends to deflect towards left.

Latent heat effect: Heat released or absorbed by the thermodynamic system during constant temperature.

Atmospheric pressure is a force exerted by the weight of the air on the surface of the body present above the surface of the earth.

vichka [17]2 years ago

4 0

i think it would be Earth's albedo hope this helps

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Yes

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A buffer is composed of nh3 and nh4cl. How would this buffer solution control the ph of a solution when a small amount of a stro

Shkiper50 [21]

Answer:

According to Le-chatelier principle, equilibrium will shift towards left to minimize concentration of $OH^{-}$ and keep same equilibrium constant

Explanation:

In this buffer following equilibrium exists -

$NH_{3}(aq.)+H_{2}O(l)\rightleftharpoons NH_{4}^{+}(aq.)+OH^{-}(aq.)$

So, $OH^{-}$ is involved in the above equilibrium.

When a strong base is added to this buffer, then concentration of $OH^{-}$ increases. Hence, according to Le-chatelier principle, above equilibrium will shift towards left to minimize concentration of $OH^{-}$ and keep same equilibrium constant.

Therefore excess amount of $OH^{-}$ combines with $NH_{4}^{+}$ to produce ammonia and water. So, effect of addition of strong base on pH of buffer gets minimized.

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2 years ago

What are some examples of physical changes?

Ludmilka [50]

Some examples of physical changes are:

Breaking a glass

Chopping wood

Tearing paper

Mixing sand and water

Melting an ice cube

These all are physical changes because the composition of the matter does not change.

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2 years ago

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If a frog initially contained 2 grams of carbon-14 and the half-life of carbon-14 is 5,730 years, how much carbon-14 remains in

andreyandreev [35.5K]

Half life is the time taken for a radioactive isotope to decay by half its original mass. In this case the half life of carbon-14 is 5.730 years.
Using the formula;
New mass = original mass × (1/2)^n; where n is the number of half lives (in this case n=1 )
New mass = 2 g × (1/2)^1
= 1 g
Therefore; the mass of carbon-14 that remains will be 1 g

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2 years ago

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Vladimir79 [104]

Baseball has more chances

Pls mark as brainliest

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