Answer:
your answers are gonna be a,c and d
Explanation:
Warm fronts
Not cold fronts because those move to warm
It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart.
I would believe that sugars and starches would have the most caloric value.
