Answer:
1:knowledge of the structure of DNA
2:an understanding of hemoglobin
4:ground fault circuit interrupters
7:aerogel
Explanation:
The law of conservation of energy implies that energy can neither be created nor destroyed, but can be changed from one form to another.
Each object exerts a force equal to and in the opposite direction of the other.
Moving an object up an inclined plane<span> requires </span>less<span>force </span>than<span> lifting it straight up, at a cost of an increase in the distance moved. The </span>mechanical advantage<span>of an </span>inclined plane<span>, the factor by which the force is reduced, is equal to the ratio of the length of the sloped surface to the height it spans.</span>