The four requirements for chemical evolution, and why is each essential. Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

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Answer 1

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Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

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Answer 2

Question

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

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Answer 3

Question

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

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Answer 4

Question

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

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Answer 5

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

Answer 6

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

Answer 7

Chapter 21.1, Problem 1C

Summary Introduction

To explain: The four requirements for chemical evolution, and why is each essential.

Concept introduction: Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ices. This massive bombardment resulted in the generation of heat. The bombardment by the solar nebula on the Earth initiated the origin of life. The evolution of life on Earth began with chemical evolution from the organic compounds or non-living matter. Fossils of some microorganisms are the direct evidence of life on early Earth.

Answer 8

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Answer 10

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Answer 11

Ch. 21.1 - Describe the conditions that scientists think...Ch. 21.1 - Compare the prebiotic soup hypothesis with the...Ch. 21.1 - Prob. 1C Ch. 21.1 - How does the ironsulfur world hypothesis differ...Ch. 21.2 - Outline the major steps hypothesized to have...Ch. 21.2 - Explain how the evolution of photosynthetic...Ch. 21.2 - Prob. 5LO Ch. 21.2 - Prob. 1C Ch. 21.2 - Prob. 2C Ch. 21.2 - VISUALIZE Draw a simple sketch illustrating the...

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