How Do Scientists Believe That an Asteroid Impact in the Yucatán

question 62

Multiple Choice

How do scientists believe that an asteroid impact in the Yucatán peninsula of Central America caused a worldwide mass extinction?

• A) by blocking the sun and inhibiting photosynthesis
• B) by using up all of the oxygen in the atmosphere
• C) most of the animals in the world were in the tropics of Central America
• D) by causing massive floods
• E) by heating up the planet

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Definitions:

Zone of Proximal Development

The distance between what a learner can do without help and what he or she can achieve with guidance and encouragement from a skilled partner.

Reciprocal Teaching

An instructional activity in which students and teachers take turns leading discussions about a text's content.

Concrete Operations

A stage in cognitive development, as proposed by Piaget, where children gain the ability to think logically about concrete (physical) problems and situations.

Transition Learning

The process of learning that takes place during periods of change from one state or phase to another.