
Earth is covered with water. Most of the water is in oceans. Ocean water is salty. Some water is in lakes and rivers. Most lakes and rivers are not salty. They have fresh water.
Photo Credit: Studio Photogram/Alamy Stock Photo
A new school year is starting. It is a time … read more
Have you ever given a speech? Were you nervous? Excited? … read more
Minnesota is a beautiful state. It has many lakes and forests. … read more
© 2026 McGraw-Hill Education. All Rights Reserved.