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Earth Sciences Study Guide: The Climate System

Through which city does the prime meridian run?             Greenwich, England What are the dates of the solstices and equinoxes?             Summer solstice: June 21 Winter solstice: December 22 Vernal equinox: March 21 Autumnal equinox: September 22 Describe Earth–Sun relationships in terms of orbit, the Sun’s position, tilt and direction of Earth’s axis as it…

Earth Sciences Study Guide: Atmospheric Structure & Composition

Of what two gases was Earth’s first atmosphere primarily composed?             diatomic nitrogen, carbon dioxide What are the percentages of Earth’s three most abundant constant (non-variable) gases in the atmosphere?             nitrogen (78.08%), diatomic oxygen (20.95%), argon (0.93%) What are the variable gas within Earth’s atmosphere?             water vapor, carbon dioxide, methane, hydrogen, nitrous oxide,…

Economics Unit 8 – Globalization: characteristics and trends

18.1 – 8a – globalization: characteristics and trends Globalization – the movement toward a more integrated and interdependent world economy People are buying more foreign products 16.1 – International Trade – absolute and comparative advantage Why nations trade Specialization is an important reason for trade Exports – the goods and services that a nation sells…

Economics Unit 4 – Free enterprise capitalism

Free enterprise capitalism Voluntary exchange Profit motive Economic freedom Private property rights Competition – businesses attract consumers; consumers obtain the best products at lowest prices 7.1 – competition and market structures Laissez-faire – philosophy that government should not interfere with business activities Market structure – nature and degree of competition among firms in the same…

Modern Physics

During the late 1890s the creation of the quantum mechanics and Einstein’s Relativity beckoned a new age in physics: modern physics.  The terminology of modern physics refers to any branch of physics, such as nuclear physics or electromagnetism, which was developed in the early twentieth century or older branches that were greatly influenced by twentieth…