7.7 billion people on the earth
Answer:
1. Separation of powers
2. Decide if an action is constitutional
Explanation:
The United States Constitution which was created following the 1787 Constitutional Convention, had founding fathers created checks and balances by establishing "Separation of powers."
Here asides from the power of other branches of government such as Executive and Legislature, the primary power of the judicial branch over others is to "Decide if an action is constitutional."

Tsar Alexander II initiated a series of importantreforms in Russia. During his reign, the country's rail and communication networks were improved, resulting in increased economic activity and the development of banking institutions.
Answer:
Tundra
Explanation:
India is a warm place for the most part. Tundra is really only near the arctic circle.