What Evidence Is There That Plate Tectonics May Have Occurred

question 122

Multiple Choice

What evidence is there that plate tectonics may have occurred in very early times on Mars?

• A) Magnetic fields at the surface of Mars show interlocking patterns similar to those in regions where plates are separating on Earth.
• B) There are several highly eroded systems of folded mountain ranges and linear troughs on Mars, similar to regions of plate collision on Earth.
• C) "Fossilized" rift valleys have been discovered by ground-penetrating radar under the blanket of dust and lava of Mars' surface.
• D) Interconnecting patterns of strike-slip faults in the volcanic northern hemisphere of Mars are similar to those where tectonic plates are sliding past each other on Earth.

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Definitions:

Steady Increase

A consistent rise or growth in numbers or volume over a period of time.

Sudden Decrease

An abrupt decline in the quantity or quality of something, which can concern various contexts such as population, health, or environmental conditions.

Narcotics

Psychoactive substances that tend to induce sleep or numbness and may lead to dependence or addiction, commonly used for pain relief.

Serotonin

A neurotransmitter in the brain that plays a key role in stabilizing mood, feelings of well-being, and happiness, also affecting digestion, sleep, and other bodily functions.