Higher temperatures along with moisture climates generally increase the rate of

a. Biological weathering only.

b. Biological and chemical weathering.

c. Biological and mechanical weathering.

d. Biological, chemical and mechanical weathering.

Option (D)

Explanation:

Weathering refers to the disintegration of rocks due to the different geological processes that are initiated by agents such as wind, water and ice.

In a region where the temperature is high, and there is sufficient amount of moisture content in the air, there occurs high rate of physical, chemical and biological type of weathering.

Physical weathering processes such as freeze-thaw method and exfoliation method commonly occurs in this type of region. Chemical weathering processes such as hydrolysis, oxidation, as well as carbonation method occurs in the region of high temperature, moist climatic condition. Biological weathering also is possible up to some extent as the plants takes up water from the rainfall and also receive enough sunlight for its growth, as a result of which it leads to the breakdown of rocks.

Thus, the correct answer is option (D).