Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
a. more soldiers died as a result of incorrect blood typing
b. more soldiers who had lost a limb returned home.
c. more donations were needed as a result of poor storage techniques.
d. more organizations spoke out against the war.

The most likely answer is B - more soldiers who had lost a limb returned home. 

When people were amputated in the past, chances you would bleed out during the amputation were not negligible. However, with improvement in medicine and the discovery of blood types as well as techniques that allowed doctors to supply an amputated patient with blood, meant that even when they were amputated, they could receive enough blood to stay alive in more cases, compareed to previous times. 

The correct answer is c.

Carbon-14 has a half-life of 5,730 years and most igneous rock is older than that.