Why is it that vitamins and mineral salts don't go through digestion

the results is a decrease in air temperature with an increase of altitude.

explanation:

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.