<span>What was the motivating factor behind Theodore Roosevelts conservation ideas?
-</span>to preserve the health of mankind
Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery
Answer:
B. rapid breathing (it's making me but 20 characters so ignore this lol)
Hydrogenation of vegetable oils and animal fats is a standard industrial procedure. The more saturated a fat is, the longer its shelf-life. Why? Because a site of unsaturation, an olefinic bond, is potentially a reactive site that can be oxidized.
Of course, these days we are sold on the benefits of unsaturated fats. A priori, an unsaturated fat will yield less energy upon combustion, and the <span>C=C</span> double bond is harder to metabolize than <span>C−H</span> bonds.
