Because There Is Often No Way to Measure Every Instance

Multiple Choice

Because there is often no way to measure every instance of a phenomenon around the entire world,scientists ____.​

A) ​can do little more than guess at what's happening
B) ​do not even attempt to do so
C) ​pick one instance and assume it's perfectly representative
D) ​use statistical sampling and mathematical models to make estimates
E) ​use computer simulations instead