What distinguishes a hypothesis from a theory? a. a theory is a scientific explanation. b. a theory is testable. c. a theory explains a natural phenomenon. d. a theory is backed up by repeated observations and tests.

What characteristic make legumes a good food source for food insecure populations

What molecules does hemoglobin decay into over time

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?