Earth's Magnetic Field Is Generated by the Dynamo Effect in the

question 42

Multiple Choice

Earth's magnetic field is generated by the dynamo effect in the

• A) molten metallic core.
• B) solid central core.
• C) plastic mantle.
• D) the crust.
• E) aurora.

---

Definitions:

Main Key

A unique identification attribute or field in a database, functionally identical to a primary key.

Row Selector

A tool in spreadsheet and database applications that allows users to select entire rows.

Field Selector

A user interface element that enables the user to choose specific fields or data elements for display or manipulation.

Field Bar

The Field Bar is a user interface element in software applications where specific fields' data or options can be entered or displayed; commonly seen in databases or form-based interfaces.