The light comes in at an angle and turns upside down. Our eyes do the same thing but our brains are smart enough for it to turn the image again.
It protects us from harmful UV rays from the sun.
Answer:
In a situation in which You land your inflatable boat on a sandbar at high tide in Southeast Alaska, which has a large semi-diurnal tide. You intend to be away from the boat for 12 hours but come back early after only 8 hours. Your boat is, unfortunately, 400m from shore.
You will have to wait B) 4 hours and 25 minutes
to be able to use your boat
Explanation:
The reason behind this is that the water movement makes objects floating in its surface move at a certain rhythm. Generally, this measure is variable but after having the data of 400 m movement in 8 hours. We just have to divide to find out the speed at which the water moves the objects on its surface. We divide 400 between the 8 hours to obtain. 50 meters of distance advance in a single hour. Therefore in 4 hours and 25 minutes, it will be at the correct distance to be reached out and used.
<span>A Chilean reporter shares live footage of an earthquake on the Web</span>
False
that was the pact between Stalin and Hitler