Clay and granite have very few pores or cracks making it difficult to impossible for water to pass through. These materials are called Sand and gravel have large, connected pores that allow water to pass through. These materials are called

Chris lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. it is warm all year.mark lives in city with an average annual rainfall of 40 millimeters. it has hot summers and cool winters.chris's city is in a climate, while mark's city is in a climate.