sentences: a land irrigation sunlight land & types are a mean of minor property ->  glaciers are a kind of water reservoir  glaciers are a kind of water reservoir & rusting are a sink of saltwater ->  glaciers are a kind of water reservoir that are a source of freshwater  glaciers are a kind of water reservoir that are a source of freshwater & a want detecting is a mean of wind ->  mountain glaciers are a kind of water reservoir that are a source of freshwater  mountain glaciers are a kind of water reservoir that are a source of freshwater & a sink of something provides that something -> mountain glaciers are a kind of water reservoir that provide freshwater