Answer:
wrong, it's D. deoxygenated blood has lower levels of oxygen inside of it compared to oxygenated blood
Explanation:
Deoxygenated blood is blood with low levels of oxygen that flows toward the heart. Oxygenated blood if blood with high levels/exposure to oxygen that flows away from the heart.
Although A is true, it doesn't explain the difference, more like a fact.
I cannot see the photo so no, sorry
The correct answer is B) the North Vietnamese and Vietcong's war strategy was to avoid defeat until the Americans gave up.
They were always on the retreat and resorted to guerrilla warfare. They would hide, attack at night, set traps, and other similar tactics until they completely demoralized the American army.
All except the fourth (one therapy for all ages).
Do they work you mean?? Different variations of the position of your hands hits different muscle parts. Like doing push-ups with your hands far apart hits more of the chest area. Doing them with your hands close hits more of your triceps. I personally like them close.