3 points Analyze the diagram below. Which statement correctiy explains why the
Earth at position Pis experiencing winter in the southern hemisphere?"
U
V
P
D
O The angle of sunlight is direct on the southern hemisphere,
The angle of sunlight is indirect on the southern hemisphere
The southern hemisphere experiences the same angle of sunlight all year long

Which of the following is not a product of the second stage of glycosis

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

What best describes lactic acid fermentation?