How Did the Maria Form

question 465

Multiple Choice

How did the maria form?

• A) Large impacts formed craters, which were immediately filled with lava from the Moon's molten core.
• B) Large impacts formed craters. The impacts themselves melted the surface rock, and this eventually solidified to form the maria.
• C) Large impacts formed craters. Later, radioactive decay melted portions of the Moon's upper interior, and this moved upward to fill the craters.
• D) The Moon's surface was molten and unstable after its formation. Parts of the surface collapsed to form the maria.

---

Definitions:

Stimulant

A substance that increases physiological or nervous activity in the body, often enhancing alertness and energy.

GABA

A neurotransmitter in the brain that inhibits many of the activities of the central nervous system, thus playing a key role in reducing anxiety and stress.

Fatal Overdose

An excessive and lethal dose of a substance, typically drugs or medication, leading to death.

Heroin

Is an opioid drug made from morphine, a natural substance taken from the seed pod of various opium poppy plants, highly addictive and illegal.