They think, Okay, so I know an egg  weighs 20 grams.. But the sentence is not just saying it weighs 20  grams. It says it weighs 20 grams AND half an egg. If you read it  backwards, you would understand. Let's try, An egg weighs half an  egg and 20 grams.. Two halves make one.
Diamond Valley Lake lies between two mountains in California's Inland Empire tourism region. The 4,500-acre lake is Southern California's newest and largest reservoir. It has only been at full pond since 2002 and already has been crowned the Jewel of California lakes, with a reputation for excellent fishing.
Diamond Lake is located in  Kandiyohi County, Minnesota. This lake is 1,565 acres in size. It is approximately 27 feet deep at its deepest point. Anglers can expect to catch a variety of fish including Black Bullhead, Black Crappie, Bluegill, Brown Bullhead, Green Sunfish, Largemouth Bass, Northern Pike, Pumpkinseed, Walleye, White Sucker, Yellow Bullhead and Yellow Perch.