Question 276
What is the primary driver of the phenomenon known as coral bleaching?
- Overfishing
- Ocean pollution from plastics
- Increased sea surface temperatures causing corals to expel their symbiotic algae
- Deep-sea trawling
Answer: Increased sea surface temperatures causing corals to expel their symbiotic algae
Question 277
The Indus River Delta, a unique and vital ecosystem, is shrinking and degrading due to reduced freshwater flows from upstream dams and what other major climate impact?
- Sea-level rise
- Increased rainfall
- Cooler ocean temperatures
- Stronger monsoon winds
Answer: Sea-level rise
Question 278
What is a key environmental advantage of wind power compared to fossil fuels?
- It is completely silent
- It has no visual impact on the landscape
- It produces no greenhouse gas emissions during operation
- It can be installed anywhere
Answer: It produces no greenhouse gas emissions during operation
Question 279
How can individual citizens most effectively contribute to climate change mitigation in their daily lives?
- By ignoring recycling guidelines
- By increasing their consumption of single-use products
- By reducing their personal carbon footprint through choices in energy use, transport, and diet
- By assuming technology alone will solve the problem
Answer: By reducing their personal carbon footprint through choices in energy use, transport, and diet
Question 280
The “urban heat island” effect describes the phenomenon where:
- Cities are cooler than surrounding rural areas
- Rural areas have more air pollution than cities
- Metropolitan areas are significantly warmer than their rural surroundings
- There is no temperature difference between cities and rural areas
Answer: Metropolitan areas are significantly warmer than their rural surroundings
