ptdung152006 9/23/2025 11:12:47 PM

The air that surrounds our planet belongs to everyone, (18)_________. Clean air is essential for all living creatures, and we must work together to protect it. Scientists who study the atmosphere have warned us about dangerous changes happening above our heads. These experts collect data from all over the world, (19)_________.

Had we taken action sooner, many climate disasters could have been avoided. This is an important truth that many world leaders now recognize. What we do today determines how future generations will live on Earth; this fact cannot be ignored any longer. The knowledge that our atmosphere is changing has led to international agreements, but stronger actions are still needed.

(20)_________. Industrial activities continue to release harmful gases into our shared atmosphere, causing respiratory problems for millions of people. Heat (21)_________. This warming process affects weather patterns, agriculture, and wildlife habitats across the globe.

Many children worry about what kind of world they will inherit. To scientists everywhere across the globe, (22)_________. Countries that produce the most pollution should take the lead in finding solutions. The time for debate has passed; the time for action is now. Every person can contribute to protecting our atmospheric commons through simple daily choices like using less energy, supporting clean transportation, and demanding better environmental policies from our governments.

Question 18:

  1. but they are creating solutions with technology now
  2. and we must protecting environment for future soon

C. yet it is being damaged by pollution every day

D. so people having started to demand changes quickly

Question 19:

  1. reveals concerning amounts of methane accumulating every month

B. that has indicated dangerous quantities of pollutants rising each decade

C. displaying significant rates of chemicals have spread each season

  1. which shows alarming levels of carbon dioxide increasing each year

Question 20:

  1. Most people believe that breathing clean air is a basic human right
  2. Some scientists discover that filtering ocean water is a renewable resource
  3. Few children understand when playing outdoor games is a valuable experience
  4. All doctors recommend which eating balanced meals is a healthy lifestyle

Question 21:

  1. which moves across our planet in cycles, and the cooling effect is generated
  2. having covered all regions of our planet, and the ozone layer is strengthened

C. is trapped around our planet by these gases, and the greenhouse effect is created

D. that flows through our planet in streams, and the weather system is regulated

Question 22:

  1. it is certain whether people should protect natural resources constantly

B. it is clear that we must reduce our carbon emissions immediately

C. it is obvious what they could improve their waste management effectively

D. it is evident how scientists would develop green technology successfully

TEST 1 - UNIT 4