Final Answer:
The combination of high temperatures and moisture promotes chemical weathering, where rocks undergo chemical changes, making it more likely for chemical weathering to dominate over physical weathering. The steep slopes in the Himalayas also limit the effectiveness of physical weathering, reinforcing the prevalence of chemical weathering processes. Thus, the correct answer is option c) Stony outcrop in the Himalayas
Step-by-step explanation:
Chemical weathering is more prominent in regions with higher temperatures and abundant moisture. The humid region in Brazil (option a) has both, but physical weathering can also be significant due to intense rainfall and biological activity. The tundra in northern Canada (option b) experiences freeze-thaw cycles, promoting physical weathering. Salt flats in Utah (option d) are characterized by arid conditions, limiting chemical weathering.
In contrast, the Himalayas, specifically stony outcrops, are conducive to chemical weathering dominating over physical weathering. The region has high temperatures, and the presence of water (from precipitation or melting snow) facilitates chemical processes like hydrolysis and oxidation, breaking down minerals over time. The steep slopes and rock exposures in the Himalayas further enhance chemical weathering as the physical breakdown of rocks is minimized.
Chemical weathering involves the alteration of rock minerals through chemical processes, such as dissolution, hydration, and oxidation. In the Himalayas, these processes are accentuated, leading to the dominance of chemical weathering over physical weathering.
Thus, the correct answer is option c) Stony outcrop in the Himalayas