When an Ice Block That Was Buried in Sediment Finally

question 14

Multiple Choice

When an ice block that was buried in sediment finally melts a depression called a ___ forms.

• A) arête
• B) horn
• C) drumlin
• D) roche mountonnée
• E) kettle

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Definitions:

Autorhythmicity

The ability of certain cells, especially cardiac muscle cells, to generate a rhythmical impulse spontaneously.

Mitral Valve Prolapse

A condition in which the mitral valve of the heart does not close properly, sometimes causing blood to leak backward into the left atrium.

Left Atrium

The left atrium is the top left section of the heart, responsible for receiving blood rich in oxygen from the lungs and transferring it to the left ventricle.

Pulmonary Arteries

The pulmonary arteries are the vessels that carry deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.