I learned that (1)_______ is composed of rocks that differ in terms of sizes,shapes,colors.​(2)_________is an important process that helps shape the Earth's surface.Weathering can be(3)____________ and (4)_______________.Mechanical weathering is the physical wearing away of rocks,while chemical weathering involves a change in the composition of rocks that allows them break down into pieces.The different agents of weathering include(5)_____________, (6)________________,(7)_______________, (8)_________________, (9)___________________. (10)______________ nonsense:report