Earth's Magnetism Arises from

question 22

Multiple Choice

Earth's magnetism arises from

• A) the Wizard of Oz.
• B) electric currents in the upper atmosphere.
• C) charged particles at rest on Earth's surface and on clouds in the lower atmosphere.
• D) electric currents in Earth's interior.
• E) electric currents in the sun.

---

Definitions:

Hunting

The practice of pursuing and capturing or killing wild animals for food, sport, or other purposes.

Biodiversity

The variety and variability of life on Earth, encompassing the diversity of species, genes, ecosystems, and ecological processes.

Biomass

The total mass of all living organisms in a specific area, habitat, or region.

Weirs

Low dams built across rivers to raise the level of water upstream or regulate its flow for purposes such as irrigation, fish trapping, and water diversion.