Welcome to your Grade 8 Social studies chapter 7
After carefully reading the following 30 questions, choose the correct answer.
1.
Which term refers to the average weather conditions that persist over multiple decades or longer?
2.
Which of the following is identified as a major greenhouse gas?
3.
In which layer of the atmosphere is the ozone layer located?
4.
What is the primary function of the ozone layer?
5.
Which of the following is a human activity that causes air pollution?
6.
What is defined as the persistent degradation of dry land ecosystems by climatic variations and human activities?
7.
How does global warming affect the sea level?
8.
Which phenomenon results in extensive damage to plants and the death of millions of people?
9.
What happens to coastal ground water supplies when ocean levels rise?
10.
The extinction and extermination of plants and animals is referred to as:
11.
Which cycle is disrupted by global warming?
12.
What is the primary negative impact of water scarcity on sanitation?
13.
The practice of using water efficiently to reduce unnecessary usage is called:
14.
Which sector uses significantly more water than households?
15.
What does the term "Deforestation" refer to?
16.
Which of the following is a natural cause of air pollution?
18.
Climate change encompasses shifts in which of the following?
19.
One effect of water scarcity on fresh water resources is:
20.
Which greenhouse gas is specifically mentioned as being associated with refrigeration and sprays?
21.
What is the main cause of air pollution related to energy?
22.
Environmental effects of climate change include:
23.
Water scarcity harms the environment by causing the loss of:
24.
How can households contribute to water conservation?
25.
Air pollutants can be in which forms?
26.
Greenhouse gases contribute to global warming by:
27.
Climate change affects life forms such as:
28.
What is the result of favorable climatic conditions for living things?
29.
Which of the following is a consequence of alpine glaciers receding?
30.
What is the primary focus of water conservation at home?
