The Amazon River is deep and wide enough to be , but it’s seldom used by large commercial ships because it flows through few cities. A. impassable B. navigable C. charted D. developed

Which of the following about topsoil is fake?

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Which of the following is not an effect of land substance