I'd say counties because there are way more of them
breaking of rocks due to constant expansion and contraction involves mechanical stresses from expanding n contracting. so ans is A. mechanical weathering
It is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
It increases the amount of ultraviolet (UV) radiation that reaches Earth's surface, which increases the rate of skin cancer, eye cataracts, and genetic and immune system damage.
