Why is the sky blue tho (:

the reason the sky is blue is because of three simple factors put together: that sunlight is made out of light of many different wavelengths, that Earth's atmosphere is made out of molecules that scatter different-wavelength light by different amounts, and the sensitivity of our eyes.

60% of the world is water, so the water reflects to the sky and makes it look blue

Explanation:

and that is why the sky is blue I have other theories but this is the most effective

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: