4. Within a population, variation affects the likelihood of an individual to survive and reproduce. Variation within a population is caused by what
source? *
A. mass extinction
B. genetic material/DNA
C. artificial selection
D. environmental change

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