What is the significance of the panama canal to countries that use the inter - coastal sea borne trade route​

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering

Iii-eneral sciencewhich of these is the best explanation of how a smooth round stone became smooth? a continuous freezing and thawingbvolcanic actioncit fell off the side of a cliffdit was in a stream for a long time.

How much damage is done by landslides in a typical year in the u.s.?