Clay and Sand differ in their particle size. The clay is a stiff, sticky fine-grained earth, whereas sand is a loose granular substance.

Lake and river are both bodies of water. The main difference between a river and a lake is the size, shape and movement. Rivers looks like snakes slithering away, whereas lakes are more like huge puddles of...

24k means that the gold includes 99.0 percent to 99.9 percent of pure gold, whereas 22k gold refers to gold with around 91 percent of pure gold and rest is impurities mixed with the gold.

Stalactites are found hanging from the roof of the cave. Stalagmites are formed from the ground up and are pointed figures that rise from the ground.

White gold jewelry has become quite popular over the last few decades. This is mainly because it has the look of platinum and titanium, however costs much less than those metals. White gold is usually coated...