. What is one common cause of farsightedness?

a cornea that is not curved enough

an iris that cannot contract

a cornea that is too curved

an eyeball that is too long

Aregular polygon has angkes of size 150° each.how many side has the polygon

Which of the following is an example of units for speed

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.