What are the three codes of ethics that are used by the organisers of the international tourism trade show in berlin to reduce their carbon footprint

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.

Ships can transit between the atlantic and pacific oceans using the canal.

Where is the vascular system located