Exploring Earth's Element Abundance

• Gradual coalescence of gases and debris (correct)
• Formation of the Sun and planets
• Radioactive decay
• Continuous meteor impacts

• Study its structure
• Determine its abundance (correct)
• Understand its evolution
• Analyze its properties

• Study of Earth's structure
• Heat from radioactive decay and continuous meteor impacts (correct)
• Gradual coalescence of gases and debris
• Formation of the Sun and planets

<p>How the elements occur in nature (C)</p> Signup and view all the answers

<p>To understand the distribution and relative amounts of the elements on Earth (A)</p> Signup and view all the answers