Afailure of the red-sensitive nerves in the eye to respond to light properly causes
a. astigmatism.
b. farsightedness.
c. chromatic aberration.
d. color blindness.

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

at positions a, g kinetic energy is maximum.

at position d, potential energy is maximum.