A Galaxy Is Observed Receding from Earth with a Speed

question 50

Multiple Choice

A galaxy is observed receding from Earth with a speed of 2800 km/s.If the Hubble constant is 22 km/s per million light-years,estimate how many years ago the light that we presently see from the galaxy actually left the galaxy.(c = 3.00 × 10⁸ m/s,1 ly = 9.461 × 10¹⁵ m,

• A) 1.3 × 10⁸ y
• B) 4.2 × 10⁸ y
• C) 4.2 × 10⁷ y
• D) 1.4 × 10⁷ y
• E) 4.2 × 10⁶ y

Recognize the various components and processes involved in energy transfer within food webs and ecological pyramids.

Identify the roles and limitations of producers, consumers, and decomposers in ecosystems.

Understand the impact of human activities on ecosystems and the importance of maintaining biodiversity for ecological balance.

Comprehend the importance of nutrient cycles (carbon, nitrogen, phosphorus, and water cycles) in sustaining life on earth.

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Definitions:

Deceased Partner

Refers to a partner in a partnership who has passed away, impacting the management and operations of the business.

Accounting

A review and listing of all partnership assets and/or profit.

Distribution to Partners

Refers to the distribution of profits, income, or assets from a partnership to its partners, typically in proportion to their ownership interests.

Managing Partner

A member of a partnership who has the authority and responsibility for managing the everyday operations of the business.