9. CFC is a compound that is harmful to the
ozone layer in the Earth’s atmosphere
owing to the release of chlorine atoms on
exposure to ultraviolet radiation. What does
CFC mean?
A. Chlorofluorocarbon
B. Crystal Fire Carbon
C. Couples for Christ
D. Chocolate-Filled Cake
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11. It is an activity by cutting trees without the
consent or permit from the government.
A. Dynamite Fishing
B. Poaching
C. Mining
D. Illegal Logging
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15. This happens when climate changes.
A. More frequent typhoons
B. Water in the oceans warms and
expands
C. Ice melts and islands disappear
D. All of these
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41. In 2019, a new coronavirus was identified as the
cause of a disease outbreak. The virus is known
as severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2). The disease it
causes is called coronavirus disease 2019
(COVID-19). In March 2020, the World Health
Organization (WHO) declared the COVID-19
outbreak a pandemic and caused major
problems all throughout the world. Where did
this coronavirus originated? (Please include the
region and country)
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