Answer:
They use field observation and spatial sampling. They are also into social patterns and processes. They can use archival research too.
South America, i believe. You might want to double check this to be sure that it's right!
Unitary government:
1) Citizens elects a party into power. The head of the elected party will become the Prime Minister.
Federal system
1) Citizens elect their leaders by voting said individual to the position he/she is vying for like President, Senator, Governor, Representatives,etc.
2) Citizens are free to run for government office providing they pass the requirements of such position.
3) Citizens can veto the bill that the legislation is reviewing. They can write to their representative and state their reasons why they are against the passing of the bill..
Confederate
1) Citizens role are limited.
*There aren't many online articles about citizens' role in a confederate government.
The correct option is this: THE ENERGY IS TRANSFERRED TO WAVES IN THE SURROUNDING WATER.
According to the law of conservation of energy, energy can neither be created nor destroy. This law is valid in all systems including biological systems. When a dolphin jumps, some of the potential energy that are converted to kinetic energy is lost to the fish, but this lost energy is gained by the waves in the surrounding water. So, in the real sense, the energy is not lost but converted to another form.