Answer: Cardio.
Explanation: Cardio is the exercise type that burns the most calories. Running, for example, is the top exercise of calorie-burn.
The second answer is true, lung cancer is the leading cause of cancer deaths.
Treating a city's water supply to remove any bacteria and impurities as clean and hygenic water supplies benefits the public/society.
No the answer is false, you need to keep the eyelid open because if its closed what ever hazardous material won't be removed from the eye
