"<span>Space exploration is extremely expensive, but the knowledge gained is worth the price."</span>
The answer is c. Because it makes sense. You can see for yourself:
Antarctica is the coldest continent on earth and it holds the record for the lowest temperature ever recorded.
14 books. Mostly about women's rights
"response variable", "regressand", "predicted variable", "measured variable", "explained variable", "experimental variable", "responding variable", "outcome variable", "output variable" or "label".
it all depends on the context :)
The answer is B. third-person omniscient.