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What is 1 + 3?
Ch. 1.1 What is Earth Science
study of earth
study of seawater,coastal processes,seafloor topography, and marine life
study of atmosphere and processes that produce weather & climate
study of universe (Useful for understanding our beginnings)
Has earth always stayed the same?
NO! It is always changing. Even now.
What is the nebular hypothesis?
It states that a gigantic rotating cloud (solar nebula) formed the bodies of our solar system
What was the solar nebula made of?
mostly hydrogen and helium (with some heavier elements)
What is physical geology?
studying the materials that make up the earth; explanations of processes that shape the Earth
What is historical geology?
tries to establish timeline of all Earth's changes