Most of the Craters on the Highlands of the Moon

question 134

Multiple Choice

Most of the craters on the highlands of the Moon were formed

• A) approximately 65 million years ago
• B) during the period of late bombardment around 3.9 billion years ago
• C) fairly recently during the last million years or so
• D) during the period of early bombardment constituting the first few hundred million years of the Earth's history

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Definitions:

Mood

A temporary state of feeling or emotion that impacts a person's perception of the world around them.

Excitatory Neurotransmitter

Chemical substances that transmit nerve signals across a synapse from one neuron to another, typically promoting an action potential.

Glutamate

A major neurotransmitter in the brain involved in learning, memory, and the regulation of the nervous system's excitatory signals.

Brain

The organ located in the head of an organism that controls most of the activities of the body, processes sensory information, and is the center of thought and emotion.