Despite their small size the Baltic states have taken successful steps to economic growth, introducing democracy, participating in world organizations (UN, NATO), contributing to peace, being members of the EU...
It's called weathering and erosion.
Answer: d
Explanation: Mechanical (physical) weathering is the breakdown of rock into smaller particles due to such factors as freezing and thawing, release of pressure, water absorption, salt crystal formation, landmass uplift, expansion and contraction from the sun or fire, plant root growth, actions of animals, abrasion, or other means that do not directly affect the rock's chemistry.
Western part of China and Mongolia due to the mountains and deserts
