Multiple Choice
Which of the following correctly lists a step in the nitrogen cycle?
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1. Introduction to Biology
Introduction to Biology
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Which of the following best describes the difference between physical activity and exercise?
A
Physical activity includes any movement that expends energy, while exercise is planned, structured, and repetitive physical activity aimed at improving fitness.
B
Physical activity and exercise are synonymous and can be used interchangeably.
C
Exercise refers to any movement that expends energy, while physical activity is only performed in a gym setting.
D
Physical activity is only performed by athletes, while exercise is for the general population.
Verified step by step guidance1
Understand the definitions of physical activity and exercise: Physical activity refers to any movement that expends energy, such as walking, gardening, or climbing stairs. Exercise, on the other hand, is a subset of physical activity that is planned, structured, and repetitive, with the goal of improving physical fitness.
Analyze the first option: 'Physical activity includes any movement that expends energy, while exercise is planned, structured, and repetitive physical activity aimed at improving fitness.' This aligns with the definitions provided above.
Evaluate the second option: 'Physical activity and exercise are synonymous and can be used interchangeably.' This is incorrect because physical activity is a broader term, while exercise is a specific type of physical activity.
Assess the third option: 'Exercise refers to any movement that expends energy, while physical activity is only performed in a gym setting.' This is incorrect because physical activity can occur anywhere, not just in a gym, and exercise is a specific type of physical activity.
Review the fourth option: 'Physical activity is only performed by athletes, while exercise is for the general population.' This is incorrect because physical activity is performed by everyone, not just athletes, and exercise is also accessible to the general population.
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