In nonrelativistic classical mechanics, a closed system is a physical system that doesn't exchange any matter with its surroundings, and isn't subject to any force whose source is external to the system. A closed system in classical mechanics would be considered an isolated system in thermodynamics.
Mining is vital to the economy of any country as it forms a
backbone for supporting diverse sectors in the economy. These include
infrastructure development such as through railways to transport the minerals,
construction, manufacturing of the equipment for mining and the service
industry such as financial services.
Studies show that catholic school students score highest on achievement tests, followed by secular private and public school students.
Answer:He unified small English kingdoms against the Danes.
Explanation:
Answer: Predictive validity
Explanation: Predictive validity tests are tests that have a series of questions that help predict scores overall on certain measurements. By testing someone or a group of people on questions now, this data can be stored and used for future predictions.
