Can you help me with this? :D

The world’s richest 20 percent of the population consume about what percentage of all goods and services in a given year?

Check for a pulse on the victim's: a) ankle b) wrist c) temple d) neck

At one point while your eye was closed, the circle to the side disappeared. what is that point called? why did it happen? what parts of the eye are involved with the inability to see? how do these eye parts function? what is a practical way you can use this knowledge of not being able to see objects at a certain point?