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Patterns and processes of evolution. How evolution and natural selection are reflected in the similarities and differences of organisms. 

This online resource discusses the distribution of earth's water.

How to solve for the horizontal displacement when the projectile starts with a horizontal initial velocity. We also explain common mistakes people make when doing horizontally launched projectile problems.

This YouTube video will guide you through a fun activity where you will draw the earth's continents and oceans.

• Predict, qualitatively, how an external force will affect the speed and direction of an object's motion.
• Explain the effects with the help of a free body diagram.
• Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa.
• Explain how the graphs relate to one another.
• Given a scenario or a graph, sketch all four graphs.

This online resource discusses the importance of the ocean, the layers and composition of the ocean and how it moderates climates.

This online resource investigates the features and topology of the ocean floor, the effects of wave erosion and the landforms created by coastal depositions.