Why is slope protection essential during construction?

Slope protection is essential during construction primarily because slopes are prone to erosion. Soil on sloped surfaces is subject to gravitational forces, and when disturbed during construction activities, it can easily wash away due to rain, runoff, or wind. This erosion can lead to significant soil loss, undermining the stability of the slope and potentially causing landslides, sediment runoff into water bodies, and a host of other environmental issues.

Implementing slope protection techniques, such as using vegetation, retaining walls, erosion control blankets, or other structural measures, is crucial to maintain the integrity of the slope. By stabilizing the surface, these measures help to prevent soil loss, protect water quality by reducing sedimentation in nearby water sources, and ultimately ensure the safety of construction operations and surrounding areas.

While other answers may refer to different factors, they do not directly address the fundamental issue of soil erosion associated with slopes during construction, which makes option B the most relevant and accurate choice.