Author Question: Life expectancies have markedly increased over the last 100 years due to: a. control of measles, ... (Read 284 times)

jasdeep_brar · **on:** Jul 11, 2018

Life expectancies have markedly increased over the last 100 years due to:
a. control of measles, small pox, polio, and diphtheria, lowering infant mortality rates.
b. increased development and use of antibodies.
c. safer water supplies and other public health measures.
d. all of these choices

Question 2

The length of time an organism lives under the best of circumstances is:
a. morbidity.
b. mortality.
c. life expectancy.
d. longevity.