Which of the Following Is Considered a Likely Explanation for the Events

question 1

Multiple Choice

Which of the following is considered a likely explanation for the events of the Cambrian explosion?

• A) Complex predator-prey relationships and increased atmospheric oxygen levels promoted animal diversification.
• B) A great surge of volcanic activity was triggered by significant movements of the continental plates and possibly by an asteroid impact.
• C) Solar flares led to increased UV radiation intensity, which in turn promoted a high rate of mutation. This led to rapid diversification of animals.
• D) The massive growth of swamp vegetation depleted the atmosphere's carbon dioxide and eventually cooled the Earth's climate.

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Definitions:

Value Outlet

A retail store that offers products at lower prices by reducing overhead costs and offering goods that provide value for money.

Focused Merchandise Stores

Retail outlets that specialize in a specific type of product or market niche, aimed at catering to specific customer needs.

Specialty Discount Retailer

Retailers that focus on selling a specific category of products at reduced prices, often offering large selections in their niche.

Category Killer

A large retail store specializing in a specific product category, so dominant that it drives out or "kills" smaller competitors.