atmospheric oxygen levels

Oxygen and Carbon Dioxide History Affirms Divine Creation

April 18, 2022

Scientific advance continues to reveal details of God's involvement in the history of Earth's early life. Research shows that at the just-right times, Earth...

Evolution

by Hugh Ross Read

How Earth’s Surface Oxygen Is Optimized for Marine Animals

December 27, 2021

Many people no doubt take for granted that we enjoy a 21% oxygen level at Earth's surface. Variable rates in Earth's history have coincided...

Design

by Hugh Ross Read