What is a possible explanation for a set of facts that can be tested by further
investigation called?
O A. Summary
O
B. Questions
O
C. Hypothesis
O
D. Experiment

b is the best answer for this question.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.