Answer:
arteries carry blood from the heart to the lungs and veins carry blood from the lungs to the heart
Explanation:
Arteries carry oxygenated blood from the heart, while veins carry oxygen-depleted blood back to the heart. ... The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions. ( K, Cl)...
This is late but for anyone else who needs it...It's D. Far left
Answer:

Explanation:
Hello,
In this case, since the 3% by volume is represented as:

By using the ideal gas equation we compute the density of CO:

Then we apply the conversion factors as follows:

Regards.