When is fertilization most likely to occur? A: In the five days just before and just after ovulation
B: during menstrual flow
C: in the days immediately following the end of menstrual flow
D: in the three days just before menstrual flow begins
100 points plz answer

Which statement best explains the relationship between diet and osteoporosis? a. cholesterol blocks calcium from reaching bone cells. a diet that is high in cholesterol can lead to osteoporosis. b. calcium and phosphorus build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis. c. protein and iron build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis.