LT 6.2 Retake #1

LT 6.2 Retake #1

Assessment

Flashcard

Science

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a trace gas?

Back

A trace gas is a gas that is present in the atmosphere in very small amounts, typically less than 1%.

2.

FLASHCARD QUESTION

Front

Which gas is the most abundant in Earth's atmosphere?

Back

Nitrogen, making up about 78% of the atmosphere.

3.

FLASHCARD QUESTION

Front

What percentage of Earth's atmosphere is composed of oxygen?

Back

Approximately 21%.

4.

FLASHCARD QUESTION

Front

Which gas is present in the smallest amount in the Earth's atmosphere?

Back

Carbon Dioxide, which is about 0.04%.

5.

FLASHCARD QUESTION

Front

What is the role of carbon dioxide in the atmosphere?

Back

Carbon dioxide is essential for photosynthesis and helps regulate Earth's temperature.

6.

FLASHCARD QUESTION

Front

How does the amount of oxygen compare to carbon dioxide in the atmosphere?

Back

Oxygen is significantly higher than carbon dioxide.

7.

FLASHCARD QUESTION

Front

What are the primary components of Earth's atmosphere?

Back

Nitrogen (78%), Oxygen (21%), Argon (0.93%), and trace gases including carbon dioxide.

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