How Do We Know the Mass of Neptune

question 72

Multiple Choice

How do we know the mass of Neptune?

• A) The orbital speed of Neptune moving around the Sun
• B) The periods and sizes of the orbits of the moons around Neptune
• C) The size and density of Neptune
• D) The period and size of Neptune's orbit around the Sun
• E) The distance of Neptune from the Earth and its rotation period

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Definitions:

Variable Expenses

Costs that fluctuate in direct proportion to changes in the level of activity or business operations, such as materials and labor.

Fixed Expenses

Costs that do not change with the level of production or sales activity, such as rent, salaries, and insurance.

Financial Advantage

An economic benefit or superiority that a person or entity holds, giving them a better position in financial transactions or comparisons.

Fixed Expenses

Expenses that remain constant regardless of the volume of goods produced or sold within a specific time frame, like lease payments or wage bills.