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Evidence - NASA Science

Authored by Shaneikiah Verel

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Evidence - NASA Science
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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary cause of the current warming trend, according to the text?

Subtle shifts in the Earth's orbit
Natural fluctuations in the Earth's climate
Human activities since the mid-1800s
Volcanic eruptions and other natural events

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason why the Earth's oceans are warming?

Increased solar activity
Melting glaciers and ice sheets
The absorption of heat from the atmosphere
Changes in ocean currents

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the text, what is the most significant impact of the increased carbon dioxide emissions on the Earth's oceans?

Increased salinity
Changes in ocean currents
Ocean acidification
Decreased oxygen levels

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between the current warming trend and past climate changes?

The current warming trend is happening at a much faster rate.
Past climate changes were caused by volcanic eruptions, while the current warming trend is caused by human activity.
The current warming trend is causing the Earth to cool down, while past climate changes caused the Earth to warm up.
The current warming trend is a natural cycle, while past climate changes were caused by human activity.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main source of data used to track the loss of ice from the Greenland and Antarctic ice sheets?

Satellite observations
Ancient ice cores
Tree rings
Weather station data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the amount of carbon dioxide in the atmosphere and the acidity of the ocean?

As carbon dioxide levels increase, the ocean becomes more acidic.
As carbon dioxide levels decrease, the ocean becomes more acidic.
There is no relationship between carbon dioxide levels and ocean acidity.
As carbon dioxide levels increase, the ocean becomes less acidic.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most significant impact of the warming trend on the Earth's climate system?

Increased rainfall events
Decreased snow cover
Rising sea levels
The absorption of heat by the oceans.

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