Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

0 Views

Earth's Early Atmosphere Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What was the primary composition of the Earth's early atmosphere?

Equal parts oxygen and carbon monoxide

Primarily carbon dioxide with little or no oxygen (correct)

Balanced mixture of nitrogen and argon

Mainly nitrogen with high levels of oxygen

What role did volcanic activity play in shaping the early atmosphere?

It had no significant impact on atmospheric composition.

It released gases that formed the early atmosphere. (correct)

It introduced large amounts of oxygen into the atmosphere.

It reduced the levels of nitrogen significantly.

How did the increase of oxygen in the atmosphere occur?

From the breakdown of water vapor in the atmosphere.

By volcanic eruptions releasing substantial oxygen.

By photosynthesis performed by algae and plants. (correct)

Through the combustion of fossil fuels.

What chemical reaction represents the process by which algae produce oxygen?

CO₂ + H₂O + light → O₂ + C₆H₁₂O₆ Signup and view all the answers

What happened to carbon dioxide levels in the atmosphere over time?

They decreased due to the photosynthesis of plants. Signup and view all the answers

What process reduces the amount of CO₂ in the atmosphere by forming sedimentary rocks?

Formation of limestone Signup and view all the answers

Which of the following is a source of fossil fuels derived from decaying organic matter?

Coal Signup and view all the answers

Which type of rock is primarily associated with carbon storage in sedimentary formations?

Limestone Signup and view all the answers

What role do decaying plants and animals play in the carbon cycle?

They contribute to fossil fuel formation. Signup and view all the answers

The decrease in atmospheric CO₂ levels is influenced by which of the following mechanisms?

The production of coal Signup and view all the answers