Which zone is characterized by receiving direct sunlight year-round and generally warm temperatures?

The Tropical Zone is characterized by consistently receiving direct sunlight throughout the year, which is the main reason for its warm temperatures. This zone is typically located near the equator, where the sun's rays strike the Earth most directly. Consequently, areas within the Tropical Zone experience minimal temperature variation between seasons, with warm temperatures prevailing year-round.

The constant exposure to sunlight contributes to lush vegetation and rich biodiversity typical of tropical regions. Rainforests, savannas, and other ecosystems thrive here because the warm temperatures and abundant sunlight create ideal growing conditions.

In contrast, other zones like the Polar Zone are positioned at higher latitudes and experience extreme variations in sunlight and temperature, leading to cold conditions for much of the year. The Temperate Zone features more distinct seasonal changes, including cold winters and warm summers, while the Subtropical Zone experiences some warmth but can also exhibit seasonal variations and might not receive direct sunlight year-round to the same extent as the Tropical Zone. Therefore, the unique climatic conditions of the Tropical Zone make it the correct choice.