Answer:
When there isn't enough readily available glucose from the breakdown of carbohydrate, the body first turns to stored carbohydrate reserves (glycogen). If there's still no new intake of carbohydrate and the reserves are depleted, the body is forced to use alternative sources (fat and protein) for energy.
D - to stay in orbit a spacecraft needs a continuous supply to furl
<span>That system grouped animals and plants by characteristics and relationships. Scientists looked at the characteristics that each organism had in common. They used the shared derived characteristics of organisms. Scientists were then able to find the common ancestry of the organisms.</span>
