There are natural and human causes of climate change. Which one is NOT a human cause ( ). A: greenhouse gas B: aerosol C: urbanization D: volcanic activity
There are natural and human causes of climate change. Which one is NOT a human cause ( ). A: greenhouse gas B: aerosol C: urbanization D: volcanic activity
Which of the following measures is not an effective way to prevent aerosol production? ( )(2 points) A: Standard operation. B: Wear a protective mask. C: Strengthen personnel operating process training. D: Improved operating techniques.
Which of the following measures is not an effective way to prevent aerosol production? ( )(2 points) A: Standard operation. B: Wear a protective mask. C: Strengthen personnel operating process training. D: Improved operating techniques.
Which of the following is NOT TRUE about packing A: You’’ll have to pay extra if your luggage is overweight. B: Liquid such as aerosol sprays are not allowed to be put in your case. C: Sharp objects like scissors are not allowed to be packed in your luggage. D: It’’s advisable to take with you an all-purpose adaptor and light traveling iron.
Which of the following is NOT TRUE about packing A: You’’ll have to pay extra if your luggage is overweight. B: Liquid such as aerosol sprays are not allowed to be put in your case. C: Sharp objects like scissors are not allowed to be packed in your luggage. D: It’’s advisable to take with you an all-purpose adaptor and light traveling iron.
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