An Observer Is Studying the Horizon from Somewhere in the Southern

question 327

Multiple Choice

An observer is studying the horizon from somewhere in the southern hemisphere, and he sees that the stars are setting, following a slanted path from the observer's upper right to the horizon on his left. Which horizon is he facing?

• A) east
• B) west
• C) east in the winter, west in the summer
• D) west in the winter, east in the summer

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Definitions:

Human Genome

The complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria.

DNA Molecule

A complex molecule that carries genetic information crucial for the development, functioning, growth, and reproduction of all living organisms and many viruses.

Spiral Staircase

A type of staircase that curves around a central pole, creating a helical structure.

Chromosomes

Threadlike structures that come in 23 pairs, with one member of each pair coming from each parent. Chromosomes contain the genetic substance DNA.