Cares about oneself
feels good about oneself
Answer:
Hemoglobin bound to oxygen absorbs blue-green light, which means that it reflects red-orange light into our eyes, appearing red. ... But this is wrong; human blood is never blue. The bluish color of veins is only an optical illusion. Blue light does not penetrate as far into tissue as red light.
Explanation:
...I don't think this is a health question but that's when you set up a system in a variety of different ways to move water at a slow gradual rate to soil
