Times Zones are based on various degrees of what?

What causes heat transfer in fluids

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule

What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region