Which of the following statements is true? a. all natural radiation is at a level low enough to be safe. b. most of the nuclear radiation you are exposed to in the environment is man-made. c. you are exposed to nuclear radiation every day. d. naturally occurring nuclear radiation is called background decay.

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

which three statements are true about all alloys?