(B) Life insurance companies intended their tables to guide individuals in adjusting their weights in order to increase their life spans.
(C) The tables include data gathered from policyholders whose deaths resulted from accidents in addition to those whose deaths resulted from natural causes.
(D) Holders of life insurance policies do not have longer overall life expectancies than the general population.
(E) People’s efforts to modify their weight to conform to a given range would not damage their health enough to decrease their overall life ecpectancies.
9. Measurements of the motion of the planet Uranus seem to show Uranus being tugged by a force pulling it away from the Sun and the inner planets. Neptune and Pluto, the two known planets whose orbits are farther from the Sun than is the orbit of Uranus, do not have enough mass to exert the force that the measurements indicate. Therefore, in addition to the known planets, there must be at least one planet in our solar system that we have yet to discover.