Find the Eccentricity and Identify the Conic Given By $r = \frac { 2 } { 1 - \cos \theta }$

question 37

Essay

Find the eccentricity and identify the conic given by $r = \frac { 2 } { 1 - \cos \theta }$
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Definitions:

Decompression Melting

Melting of a rock or other material due to a decrease in pressure.

Decompression Melting

The process where rock melts due to a decrease in pressure, often occurring in the mantle.

Convection Cell

The movement of material in an elliptical to roughly circular loop by the process of convection; movement is driven by differences in density, especially those caused by temperature variations.

Ethanol

A volatile, flammable, colorless liquid alcohol, used as a biofuel and in the manufacture of various chemicals and pharmaceuticals.