When Observers See a Full Moon, There Is a Back

question 272

Multiple Choice

When observers see a full Moon, there is a back side that they do not see. Which one of these statements about this situation is true?

• A) This far side looks very similar to the near side.
• B) When observers see a new Moon, they are seeing this far side.
• C) If an astronaut was standing in the middle of this far side, they would never see Earth.
• D) If an astronaut was standing in the middle of this far side, they would never see the Sun.

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Definitions:

Water Pollutants

Substances or conditions that contaminate water bodies, adversely affecting water quality, aquatic life, and safe consumption by humans and wildlife.

Chemical Analysis

The study and use of methods and techniques to identify and quantify the chemical components of a substance or sample.

Cultural Eutrophication

The process by which a body of water becomes overly enriched with minerals and nutrients, often due to runoff from the land, leading to excessive growth of algae and decline in water quality.

Algae Blooms

Rapid increase or accumulation in the population of algae in water systems, often resulting in discoloration of waters and causing negative ecological effects.