Hadean eon - Study guides, Class notes & Summaries

Praxis 5005 (Science) Kathleen Jasper Purple Book Notes and Information 1. Earth's Layers What is the outermost layer of the Earth? A. The core B. The mantle C. The crust D. The lithosphere Answer: C. The crust 2. Atmospheric Compositions What percentage of nitrogen makes up the Earth's atmosphere? A. 21% B. 78% C. 0.09% D. 0.01% Answer: B. 78% 3. Geologic Formations What are geologic formations made from? A. Rocks B. Minerals C. Soils D. Water Answe...

This document contains lecture notes about Geologic Time Scale in the course General Biology 2. It includes information about different eons, eras, periods, and epochs, and its significant events. It has graphics and visuals to help you understand the topic.

WGU C165 questions and correct answers 2022physics Study of forces and energy chemistry study of atoms and molecules, their structure, and interactions to form various substances earth science The scientific study of earth and the universe around it physical model A physical representation of an object. Prototypes and appearance models are physical models. conceptual models used to visualize things that can not be seen, like atoms mathematical models trea...