객관식
Which freshwater source is characterized as a permanent, shallow body of water with plant life throughout?
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1. Introduction to Biology
Introduction to Biology
객관식
According to health guidelines, what is the recommended amount of daily physical activity for children aged 6–17 years?
A
At least 90 minutes of vigorous physical activity per week
B
At least 120 minutes of moderate physical activity per day
C
At least 60 minutes of moderate-to-vigorous physical activity per day
D
At least 30 minutes of light physical activity per day
검증된 단계별 안내1
Step 1: Understand the problem by identifying the key question, which is to determine the recommended amount of daily physical activity for children aged 6–17 years according to health guidelines.
Step 2: Review the options provided in the problem and note the different durations and intensities of physical activity mentioned: vigorous, moderate, and light physical activity.
Step 3: Recall the health guidelines for children aged 6–17 years, which emphasize the importance of moderate-to-vigorous physical activity for maintaining physical and mental health.
Step 4: Compare the options against the guidelines, focusing on the recommendation for daily activity duration and intensity. Moderate-to-vigorous physical activity is typically emphasized over light activity.
Step 5: Conclude that the correct recommendation aligns with the guideline of at least 60 minutes of moderate-to-vigorous physical activity per day, as this is the standard supported by health organizations like the CDC and WHO.
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