Use percents. An energy pyramid shows that 90 percent of the energy is lost from one level to the next. If you start with 100,000 units of energy, how much energy does the next level get? The fourth level

10 percent

Explanation:

100 units

Explanation:

90% of energy is lost from level to level. Basically you're just taking a 0 off of the number with each level. You're left with 10% of your energy, so the second level has 10,000 units, the third has 1,000 and the fourth is left with 100.

the answer is alexander graham bell.