Q: Why are oceans salty and lakes and rivers not?(Science 101: Background boosters for elementary teachers)The article explains the reason oceans are salty and lakes and rivers are not.Robertson, BillScientific Principals
当娜父亲醒来时他就知道了越南why the sea is salty131章海水咸.pdf,About this book This book ls three water-themed myths. In the first myth (from Wales) an ex nation is given for the seas saltiness; in the second (from ) there is a battl ween a thirsty drag
rock gets very hot or very cold,it cracks.Rain falls into the cracks.The rain then carries the salt into the earth and then into the rivers.The rivers carry the salt into the ocean.But then we ask,“what happens to the salt in the ocean?The ocean does not get more salty every year...
questions. If we ask, “Why does the ocean water taste salty?” scientists will say that the salt comes from rocks. When a rock get very hot or very cold, it cracks. Rain falls into the cracks. The rain then carries the salt into the earth and into the rivers. The rivers car[...
Caina has the world’s fourth largest amoount of water.With so many people,China does not have enough water for everyone.To make things worse,people waste a lot of water.They use it inefficiently when they water crops.They waste a lot.Also,dirty water from factories goes into rivers and...
A: For starters, lakes and rivers do contain salt, just not as much as the oceans. If you take a glass of drinking water and add a few grains of table salt, chances are you won't taste that salt in the water. So-called "fresh water" in lakes and oceans also contains many other...
Q: Why Are Oceans Salty and Lakes and Rivers Not?A: For starters, lakes and rivers do contain salt, just not as much as the oceans. If you take...Robertson, BillNational Science Teachers AssociationScience and Children