Both Mercury and Earth Have Global Magnetic Fields

question 560

Multiple Choice

Both Mercury and Earth have global magnetic fields.Compared with Earth,which feature is Mercury known to lack that is thought necessary for generating such a field?

• A) Mercury does not lack any such feature.
• B) a large iron core
• C) rapid planetary rotation
• D) a partially molten iron core

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Definitions:

Direct Competition

Companies or businesses that offer the same or similar products or services to the same customer or market segment.

Lower Prices

A strategy or condition where goods or services are offered for sale at reduced costs.

Bargaining Power of Suppliers

The ability of suppliers to influence the terms and conditions of the materials and goods they supply, affecting the buying company's costs and quality of inputs.

Degree of Rivalry

The intensity of competition among firms within the same industry or market.