why is the equator region the hottest part of the earth’s surface?

From Google.

"Since the Earth is tilted at its axis, the poles do not consistently receive the same amount of sunlight throughout the year. ... Therefore, it is hotter at the equator than at the North Pole because the sun's heat is concentrated directly overhead at the equator. The higher the sun in the sky (angle) the warmer it is."

The equator region is the hottest part of the Earth's surface due to a combination of factors including the angle of sunlight, the amount of direct solar radiation, and the distribution of land and water.

Firstly, the equator region receives more direct sunlight compared to the rest of the Earth. This is because the Earth is tilted on its axis, resulting in variations in the intensity of sunlight at different latitudes. Near the equator, the sun's rays hit the Earth more directly, providing greater heating potential and higher temperatures.

Secondly, the equator region experiences a more consistent and intense amount of sunlight throughout the year. This is because it is located near the middle of the Earth, where the curvature of the planet causes the sun's rays to be more concentrated. In contrast, areas closer to the poles receive sunlight at a more oblique angle, resulting in less energy being absorbed and lower temperatures.

Additionally, the equator region has a higher percentage of landmasses compared to other latitudes, and land absorbs and radiates heat more efficiently than water. Land heats up faster and to higher temperatures than the ocean. This contributes to the overall higher temperatures found near the equator.

To understand why the equator region is the hottest part of the Earth's surface, you can consider factors such as the directness of sunlight, the intensity of solar radiation, and the distribution of land and water. These combined factors create the conditions necessary for high temperatures in the equatorial zone.