How Do We Know That the Caloris Basin on Mercury

question 237

Multiple Choice

How do we know that the Caloris Basin on Mercury was formed late in the period of intense bombardment?

• A) Radioactive dating of rock samples has fixed the date of formation.
• B) The basin contains very few craters.
• C) The surface of the basin is much darker than the rest of the planet, suggesting that the surface had not yet been churned over by meteoric impacts.
• D) Mountain ranges in the basin are very high because they have not had time to suffer significant erosion.

Demonstrate understanding of reaction mechanisms through detailed stepwise explanations.

Understand the fundamentals of variance and significance testing.

Interpret results from experiments comparing two sets of data.

Apply the correct statistical tests for comparing population variances.

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