A sandy soil is very loose and will not hold water. ... The plants only have time to absorb and store the water when the soil is wet. Then the leftover water in the soil evaporates back into the sky where it becomes water vapor, forms into clouds, and gets ready to rain again. ... They form water saturated environment, including swamps and bogs. ... They have a reddish color and occur in the tropical parts of the world. ...

• Word Count: 1409
• Approx Pages: 6
• Grade Level: High School

The reason for its disappearance is that the water that poured into it has been diverted. ... In other cases they have bleached due to higher temperatures vanished the tiny organisms that live in symbiosis with the corals and give them their color. ... This excess methane gas carries more water vapor into the atmosphere and condenses at much higher altitudes than the sun will strike. ... Such is the example given on California, where big amounts of water are being used to irrigate crops. ...

• Word Count: 1670
• Approx Pages: 7
• Grade Level: High School