Natural barriers to sea water have been destroyed, The water table has gone down after droughts. Sea level has been continuously rising. Evaporation of water leaves salt behind.

Scientiststhink______helpssometreestoconservewater

when losing leaves leaves are lost that losing leaves the leaves lost

Yelloworangeredandgreentreeleavesmakeautumnacolorf

Wedropapieceofmetalintoajarfullofwaterthemetalwill

an equal amount of silver an equal amount of gold all the water in the jar now the water that leaves the jar

Inadisk-typelubricatingoilpurifier_______.

the purifier driving gears are lubricated by the reclaimed oil as it leaves the bowl all dirt and sludge are automatically discharged with thecooling water sealing water must never be supplied until after oil is fed to the unit deterioration of the bowl ring gasket will cause the purifier to lose its water seal

Doyouwanttoknowhowandwhyafallleafchangescolor?Wefi

LooktheleavesofthenewlyplantedtreehavewithereD.You

should water should have watered you needed to water had to water

Doyouwanttoknowhowandwhyafallleafchangescolor?Wefi

The leaves 　　 in the water for a long time.A. came B. lived C. remained D. arrived

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The leaves in the water for a long time.A. came B. lived C. remained D. arrived

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The leaves 　　 in the water for a long time.A. came B. lived C. remained D. arrived