A Caldera Collapse Occurs __________________

question 67

Multiple Choice

A caldera collapse occurs __________________.

• A) before the eruption starts
• B) in the middle of the eruption
• C) after the magma chamber is mostly empty
• D) millions of years after the volcano's final dying eruption
• E) at any of these times

---

Definitions:

Preschool Participation

Involvement of children, typically aged 3 to 5 years, in early childhood education programs that prepare them for formal schooling.

Head Start Preschools

A US-based program aimed at delivering all-encompassing services in early childhood education, healthcare, nutritional advice, and promoting parental involvement, all geared towards low-income families and their children.

English Proficiency

The ability to speak, write, and understand English at a level that is sufficient for effective communication in an English-speaking context.

Bottom-up Mathematics

An approach to learning mathematics that starts with specific instances or data and builds toward general principles, as opposed to beginning with abstract concepts.