Comets with Extremely Elliptical Orbits, Like Hyakutake and Hale- Bopp

question 119

Multiple Choice

Comets with extremely elliptical orbits, like Hyakutake and Hale- Bopp,

• A)are captured by Jupiter.
• B)come from the asteroid belt.
• C)are Trojan comets.
• D)come from the Kuiper belt.
• E)come from the Oort cloud.

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Definitions:

DDT

Dichloro-Diphenyl-Trichloroethane, a synthetic insecticide used historically for malaria and pest control, now banned in many countries due to environmental impact.

Nitrogen Cycle

A biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature.

Nitrogen Fixation

The process by which nitrogen gas from the atmosphere is converted into ammonia by certain bacteria, making nitrogen available to living organisms.

Denitrification

A microbial process occurring mostly in soil and aquatic environments, where nitrate is reduced and ultimately produces molecular nitrogen, removing it from the ecosystem.