The Sun Has Been on the Main Sequence

question 72

Multiple Choice

The Sun has been on the main sequence

• A) for about 10 million years.
• B) for about 5 billion years.
• C) forever.
• D) for about 14 billion years.

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Definitions:

Ecosystems Destruction

Ecosystems destruction refers to the severe disruption or eradication of an ecosystem, leading to loss of biodiversity and degradation of natural habitats often caused by human activity.

Precipitation

Any form of water, liquid or solid, that falls from the atmosphere and reaches the ground, including rain, snow, sleet, and hail.

Ozone Layer

A layer in the Earth's stratosphere containing a high concentration of ozone, which absorbs most of the Sun's ultraviolet radiation, protecting the Earth.

Provincial Governments

The administrative bodies governing specific regions or provinces within a country, responsible for local laws and policies.