The answer is carbon dioxide.

Here's the step by step explanation:

1. The "snowball Earth" hypothesis proposes that Earth's surface became entirely or nearly entirely frozen at least once, sometime earlier than 650 Ma (million years ago) during the late Proterozoic Eon.

2. This condition could have persisted forever if not for the greenhouse effect, which is a process that occurs when gases in Earth's atmosphere trap the Sun's heat.

3. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), methane, nitrous oxide, and chlorofluorocarbons.

4. Among the options given, carbon dioxide is a greenhouse gas, while the others (carbon monoxide, oxygen, and ammonia) are not considered as major contributors to the greenhouse effect.

5. Therefore, the "snowball Earth" conditions of the late Proterozoic Eon would have persisted forever were it not for greenhouse warming caused by carbon dioxide.

Question

The answer is carbon dioxide.

Here's the step by step explanation:

1. The "snowball Earth" hypothesis proposes that Earth's surface became entirely or nearly entirely frozen at least once, sometime earlier than 650 Ma (million years ago) during the late Proterozoic Eon.

2. This condition could have persisted forever if not for the greenhouse effect, which is a process that occurs when gases in Earth's atmosphere trap the Sun's heat.

3. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), methane, nitrous oxide, and chlorofluorocarbons.

4. Among the options given, carbon dioxide is a greenhouse gas, while the others (carbon monoxide, oxygen, and ammonia) are not considered as major contributors to the greenhouse effect.

5. Therefore, the "snowball Earth" conditions of the late Proterozoic Eon would have persisted forever were it not for greenhouse warming caused by carbon dioxide.

Knowee AI · Accepted Answer

The answer is carbon dioxide.

Here's the step by step explanation:

1. The "snowball Earth" hypothesis proposes that Earth's surface became entirely or nearly entirely frozen at least once, sometime earlier than 650 Ma (million years ago) during the late Proterozoic Eon.

2. This condition could have persisted forever if not for the greenhouse effect, which is a process that occurs when gases in Earth's atmosphere trap the Sun's heat.

3. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), methane, nitrous oxide, and chlorofluorocarbons.

4. Among the options given, carbon dioxide is a greenhouse gas, while the others (carbon monoxide, oxygen, and ammonia) are not considered as major contributors to the greenhouse effect.

5. Therefore, the "snowball Earth" conditions of the late Proterozoic Eon would have persisted forever were it not for greenhouse warming caused by carbon dioxide.

(Q006) Theoretically, "snowball Earth" conditions of the late Proterozoic Eon would have persisted forever were it not for greenhouse warming caused byGroup of answer choicescarbon monoxide.oxygen.carbon dioxide.ammonia.

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