Multiple Choice
Which of the following factors is primarily responsible for the seasonal changes on Earth?
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8. Centripetal Forces & Gravitation
Newton's Law of Gravity
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According to Newton's Law of Gravity, which regions on Earth receive the least direct sunlight throughout the year?
A
The tropical regions
B
The polar regions
C
The mid-latitude regions
D
The equatorial regions
Verified step by step guidance1
Understand the concept of Earth's axial tilt: Earth is tilted on its axis by approximately 23.5 degrees. This tilt affects how sunlight is distributed across the planet throughout the year.
Identify the regions on Earth: The Earth can be divided into several regions based on latitude: polar regions, mid-latitude regions, tropical regions, and equatorial regions.
Consider the polar regions: These are located near the North and South Poles. Due to Earth's axial tilt, these regions receive less direct sunlight throughout the year, especially during their respective winter months.
Contrast with other regions: The equatorial regions receive direct sunlight year-round due to their position relative to the Sun. Tropical regions also receive significant sunlight, while mid-latitude regions experience varying sunlight depending on the season.
Conclude based on sunlight distribution: The polar regions receive the least direct sunlight throughout the year due to the angle at which sunlight strikes these areas, especially during winter when they can experience polar night.
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