Compared to oceanic crust, continental crust is thicker and less dense

Indicate whether the statement is true or false


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Environmental & Atmospheric Sciences

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The materials that formed the Earth and the ocean were formed within starts billions of years ago

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What is GPS? Give several examples of its utility in physical geography

What will be an ideal response?

Environmental & Atmospheric Sciences

An Alka-Seltzer antacid tablet bubbles vigorously when placed in water but only slowly when placed in an alcoholic beverage of the same temperature containing a 50:50 mix of alcohol and water. Propose a probable explanation involving the relationship between the speed of a reaction and molecular collisions.

A. The tablet reacts with water but not the alcohol. B. The alcohol absorbs the carbon dioxide bubbles before they escape the liquid phase. C. In a 50:50 mix, there are fewer water molecules for the antacid molecules to collide with. D. Alcohol molecules are more massive than water molecules, hence they move slower and their collisions are not as forceful.

Environmental & Atmospheric Sciences

________________________ ________________________ are former water gaps where streams no longer flow. What will be an ideal response?

Environmental & Atmospheric Sciences