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.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.