After Joseph Farman Discovered,in 1985,that an Ozone Hole Was Developing

question 1

Multiple Choice

After Joseph Farman discovered,in 1985,that an ozone hole was developing over Antarctica,scientists measured levels of chemicals in the upper atmosphere.They found a surprising concentration of ozone-destroying:

• A)chlorine
• B)helium
• C)nitrates
• D)mercury

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Definitions:

World Economic Resources

It refers to all natural, human, and capital resources that are available globally which support economic production and development.

Net Exporter

A country that exports more goods and services than it imports, leading to a positive trade balance.

Import Quotas

Restrictions imposed by a government on the quantity of a good that can be imported into a country, often used to protect domestic industries.