Rearrange the following sentences to form a coherent paragraph:
1. These factors include the amount of sunlight received, the composition of the atmosphere, and the Earth’s orbit.
2. The long-term variations in Earth’s climate are influenced by a complex interplay of natural and anthropogenic factors.
3. The most significant anthropogenic factor is the emission of greenhouse gases from industrial activities.
4. Together, these elements determine the planet’s overall energy balance and, consequently, its average temperature.

Correct option is A

Option (a) 2, 1, 4, 3 is the correct order of the given sentences.
Explanation (why this order is correct):
• 2 is the best opening because it presents the main idea: climate variations result from natural + human (anthropogenic) factors.
• 1 follows naturally because “These factors include…” clearly refers back to the “factors” mentioned in sentence 2.
• 4 comes next because it logically explains the combined effect of those elements: they determine energy balance and temperature.
• 3 fits best at the end as a specific, highlighted human factor, adding emphasis by naming the most significant anthropogenic cause (greenhouse gases).