What Did the Mars Rover Opportunity Discover on Mars That

question 21

Multiple Choice

What did the Mars rover Opportunity discover on Mars that relates to questions about the existence of water on Mars?

• A) The rover found sedimentary rocks that contained minerals that could only have formed by precipitation from water.
• B) The rover found liquid water emerging from a spring, freezing to ice.
• C) The rover found ice in the soil.
• D) The rover found no evidence of water ever having been on Mars.

Recognize the importance of saving changes in database design and understanding the interface components.

Learn the process to exit the application properly.

Understand the usage of field properties to enforce data integrity.

Comprehend methods to summarize and compute data within tables.

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Definitions:

Equal

Describes the state of being the same in quantity, size, degree, or value.

Mean

The average of a set of numerical values, calculated by adding them all up and dividing by the number of values.

Equal

Having the same value, quantity, measure, or meaning as another; identical in magnitude or degree.

Population Standard Deviation

Population standard deviation is a measure of the spread or dispersion of a set of data points in a whole population.