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?

Next level: 100,000 * 10%= 10,000

Fourth level: 100,000 * 0.01% = 10

Explanation:

the answer is migration

answer: researching and understanding issues being considered by lawmakers.

explanation:

lobbying is the act of attempting to influence a politician's behaviour. lobbyists can be members of a constituency, organizations, businesses, non-profit organizations or professional lobbyists.