Which of the following is NOT an example of physical weathering? Breaking of rock caused by ice wedging false Rusting of rock true Rock exfoliation false Flowing water causing a hole in a rock false Single This is the maximum angle at which loose material can be inclined before it become a mass movement Angle of internal friction false Interface friction angle false Gradient false Angle of repose true Single Which of the following region tends to contain the oldest rock formation? Continent’s interior true Beneath the ocean basin false On the margins of ocean basins false Along the coast false Single Karst landscapes are formed when groundwater weathers limestone or other carbonate rocks and transports the dissolved ions in another place. This landscape formation is an example of: Chemical weathering true Physical weathering false Biological weathering false All of the above false Single These refer to fast-moving landslides consisting of water, rocks and soil which could pose danger to life and property Solifluction false Rock slide false Debris flow true Creep false Single The following are primary agents in chemical weathering EXCEPT: Water false Oxygen false Acid  false Carbon true Single Which of the following statements is true? Turbidity currents can occur only at active continental shelf false Turbidity currents can occur only at passive continental shelf false Turbidity currents can occur both in active and passive continental shelf true None of the above false Single A type of flow that contains 20-40% water Granular flow false Slurry flow true Debris flow false Earth flow false Single Which of the following is the most important factor affecting mass wasting? Water false Temperature false Pressure false Gravity true Single The following mass wasting activity occurs in an inclined plane EXCEPT: Rock slide true Solifluction false Rock fall false Slump false Single