Answer: Add an extra day of walking each week (option c)
Explanation:
The FITT program stands for
Frequency:  how often or how many times you exercise per week. Your frequency depends upon the level of your training.
Intensity: How vigorously you are exercising. Exercise intensity is described as low, medium or high 
Time: the amount of time that you spend exercising. The average exercise time for individual is usually from 30 – 60 minutes.
Type: simply the kind of exercise that you choose to perform. The type of exercise depends on what fitness component you want to improve
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Answer:
To look at the stars in the sky, your head is in the backward position.
Explanation:
To look at the stars in the sky it is necessary for the individual to project his face upwards, throwing his head completely backwards. This movement promotes the extension of the cervical spine, which allows the occipital approach to the C7 vertebra. This allows us to call the position of the head "backward", since to look upwards, the head needs to assume this position.
 
        
             
        
        
        
OK so if you mean that it will not pollute the air then yes this is true. 
        
                    
             
        
        
        
Answer:
D, both A and B
Explanation:
D, both A and b! 
Eating healthy strengthens the body, and keeping a clean kitchen prevents most nasty things from getting into your foods.