What Characteristic of Long Period Comets Suggest They Come from the Oort

question 44

Multiple Choice

What characteristic of long period comets suggest they come from the Oort cloud?

• A) They have longer Type II tails than short period comets.
• B) Their orbits have random inclinations with respect to the ecliptic plane.
• C) Their orbits are nearly circular.
• D) They tend to appear larger in diameter than short period comets.

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Definitions:

Desertification

The degradation of once-fertile land into nonproductive desert; caused partly by soil erosion, deforestation, and overgrazing by domestic animals.

Deserts

Arid regions with extremely low rainfall, supporting limited plant and animal life, and characterized by harsh conditions such as high temperatures and low humidity.

Primary Consumers

Organisms that directly consume producers such as plants or algae, usually herbivores.

Cyanobacteria

Photosynthetic, bacteria-like organisms that can live in a wide range of habitats, known for their ability to produce oxygen in a process similar to plants.