The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.
Answer: They help to clarify what happened in a crime.
Explanation: Witnesses tell the judge and/or jury everything they know about an event. A witness is someone who has <em>relevant information</em> about a crime that had taken place.
Answer: in 1901, he left his home in Siberia and wandered. He soon gained a reputation as a man who could heal sick people. He also gained a reputation as a man whose moral behavior left a lot to be desired. His immoral behavior shocked people.
Answer: A mixed economy consists of both private and government/state-owned entities that share control of owning, making, selling, and exchanging good in the country. Two examples of mixed economies are the U.S. and France.