Mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 18 to 23.
The dangers of global warming are being increasingly studied by a wide global consortium of scientists.These scientists (18) _____________ the potential long-term effects of global warming on our natural environment and on the planet. Of particular concern is how climate change and global warming caused by anthropogenic, or human-made releases of greenhouse gases. It is clear the planet is warming, and warming rapidly. This is due to the greenhouse effect, (19)_______________, which trap heat inside the Earth's atmosphere because of their more complex molecular structure which (20)_____________ and in turn trap heat and release it back towards the Earth. This warming is also (21)_________________, which in turn leads to a reduction in wildlife population. The most recent report from the Intergovernmental Panel on Climate Change concluded that the earth will warm anywhere from 2.7 to almost 11 degrees Fahrenheit between 1990 and 2100. Efforts have been increasingly focused (22)_____________ that are causing climatic changes on (23)_______________ to global warming, to assist humans, other animal, and plant species, ecosystems, regions and nations in adjusting to the effects of global warming. (https://en.wikipedia.org/wiki/Natural_environment)
Question 18.
A.are increasing concerned about B. are increasingly concerned about
C. are increasingly concerned on D. are on the increasingly concerned about
Question 19
that causes by greenhouse gases B. which caused by greenhouse gases
C. who caused by greenhouse gases D. which is caused by greenhouse gases
Question 20.
B. allows them to vibrate B. allows them vibrate C. allow them to vibrate D. allows to vibrate
Question 21.
A. responsible for the natural habitats’extinct B. responsible for the extinct of natural habitats
C. having responsibility for the extinction of natural habitats D. responsible for the extinction of natural habitats
Question 22.
A. on the mitigation of greenhouse gases B. from the mitigation of greenhouse gases
C. with the mitigation of greenhouse gases D. to the mitigation of greenhouse gases
Question 23.
B. developing strategies of adaptative B. to develop adaptative strategies
C. C. the development adaptative strategies D.developing adaptative strategies

Question

Mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 18 to 23.
The dangers of global warming are being increasingly studied by a wide global consortium of scientists.These scientists (18) _____________ the potential long-term effects of global warming on our natural environment and on the planet. Of particular concern is how climate change and global warming caused by anthropogenic, or human-made releases of greenhouse gases. It is clear the planet is warming, and warming rapidly. This is due to the greenhouse effect, (19)_______________, which trap heat inside the Earth&#x27;s atmosphere because of their more complex molecular structure which (20)_____________ and in turn trap heat and release it back towards the Earth. This warming is also (21)_________________, which in turn leads to a reduction in wildlife population. The most recent report from the Intergovernmental Panel on Climate Change concluded that the earth will warm anywhere from 2.7 to almost 11 degrees Fahrenheit between 1990 and 2100. Efforts have been increasingly focused (22)_____________ that are causing climatic changes on (23)_______________ to global warming, to assist humans, other animal, and plant species, ecosystems, regions and nations in adjusting to the effects of global warming. 	(https://en.wikipedia.org/wiki/Natural_environment)
Question 18. 
A.are increasing concerned about			B. are increasingly concerned about
C. are increasingly concerned on			D. are on the increasingly concerned about
Question 19
that causes by greenhouse gases			B. which caused by greenhouse gases	
C. who caused by greenhouse gases			D. which is caused by greenhouse gases
Question 20. 
B. allows them to vibrate 	B. allows them vibrate  C. allow them to vibrate	 D. allows to vibrate
Question 21. 
A. responsible for the natural habitats’extinct	 B. responsible for the extinct of natural habitats
C. having responsibility for the extinction of natural habitats		D. responsible for the extinction of natural habitats
Question 22. 
A. on the mitigation of greenhouse gases		B. from the mitigation of greenhouse gases
C. with the mitigation of greenhouse gases		D. to the mitigation of greenhouse gases
Question 23. 
B. developing strategies of adaptative 		B. to develop adaptative strategies
C. C. the development adaptative strategies		D.developing adaptative strategies

Timi · Accepted Answer

Question 18: B. are increasingly concerned about

Question 19: D. which is caused by greenhouse gases

Question 20: C. allow them to vibrate

Question 21: D. responsible for the extinction of natural habitats

Question 22: A. on the mitigation of greenhouse gases

Question 23: B. to develop adaptative strategies

anh-nhunguyen6 · Answer

Question 18: B. are increasingly concerned about

This option correctly uses the adverb "increasingly" to modify the verb "concerned," indicating that the scientists' concern about the potential long-term effects of global warming is growing over time.

Question 19: D. which is caused by greenhouse gases

The phrase "which is caused by greenhouse gases" provides a relative clause that properly identifies the cause of the greenhouse effect.

Question 20: C. allow them to vibrate

The subject "molecular structure" is plural, so the correct verb form is "allow." Additionally, "to vibrate" is the appropriate infinitive phrase to describe the action that the molecular structure allows.

Question 21: D. responsible for the extinction of natural habitats

This option correctly expresses the idea that global warming is causing the extinction of natural habitats.

Question 22: A. on the mitigation of greenhouse gases

Question 23: B. to develop adaptive strategies

This option correctly uses the infinitive phrase "to develop adaptive strategies" to describe the purpose of the efforts related to adapting to the effects of global warming.

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