Explain why the 2016 olympics organizers are trying to minimize the impact of the event on the environment. give examples of their sustainable practices.

The 2016 Olympics organizers tried to minimize the impact of the event on the environment.  Some examples of their sustainable practices are:  plant 24 million seedlings to reduce or offset the carbon emissions caused by the Games.  The Olympic medals usually made out of bronze and silver incorporated recycled material.  They also intended to fix or upgrade the sewer system to reduce the level of pollution in the Guanabara Bay.  

by 1890, the united states had by far the world's most productive economy. american industry produced twice as much as its closest competitor--britain. but the united states was not a great military or diplomatic power. its army numbered less than 30,000 troops, and its navy had only about 10,000 seamen. britain's army was five times the size of its american counterpart, and its navy was ten times bigger. the united states' military was small because the country was situated between two large oceans and was surrounded by weak or friendly nations. it faced no serious military threats and had little interest in asserting military power overseas.

whose power in the senate is equal to the power of the speaker of the house?