How many minutes must the target heart rate be maintained in order for aerobic exercise to be beneficial? A. five
B. six
C. twelve
D. twenty

L2.4.2 test (cst): fitness and nutritionquestion 15 of 203.pointsidentify the nutrient that kale and other leafy greens contain in significantamounts. o a. fatsob. oilso c. vitamin b12o d. folate

Emma recently found out she was pregnant. every thursday evening for the next six weeks, emma and her mother will attend a special program that prepares pregnant teens to become mothers. during the first class, emma learned about the stages of childbirth. what was the order she was taught? first, emma learned about  .then, she learned about the    stage. next, emma learned about  .last, she learned about the    stage

Which of the following contains the most calories/gram?