What Is the MOST Likely Cause of the Smooth and Relatively

question 151

Multiple Choice

What is the MOST likely cause of the smooth and relatively crater-free surfaces of lunar maria?

• A) Volcanic ash rained on the surfaces of the basins in recent geological times, covering previous craters.
• B) The lava in these basins flowed in the relatively late geological history of the Moon, after the period of major bombardment.
• C) Dust storms had eroded and smoothed the surface earlier in the Moon's history.
• D) Smoother sediments were left behind after water had flowed into the basins and evaporated away.

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Definitions:

Affective Disorder

A category of mental health disorders that primarily affect mood and emotions, such as depression and bipolar disorder.

Bipolar

A mental disorder characterized by periods of elevated mood and periods of depression.

Depression

is a common mental health disorder characterized by persistent sadness, loss of interest, and a lack of energy or motivation.

PTSD

Post-Traumatic Stress Disorder, a mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, and severe anxiety.