What Are Crustaceans?
What Are Crustaceans? The word “crustacean” comes from the Latin crusta meaning a hard covering shell or crust. Apart from crabs, lobsters and shrimps, there are...
Read MoreWhat Are Crustaceans? The word “crustacean” comes from the Latin crusta meaning a hard covering shell or crust. Apart from crabs, lobsters and shrimps, there are...
Read MoreHow Far Is It to the Center of the Earth? If you could drill a hole to the center of the Earth, you would find it measured about 3,958 miles (6,371 kilometers). The...
Read MoreWhere Does Iron Come From? It is the most abundant element in the Earth. The Earth’s core is mostly made up of an iron-nickel alloy. It also makes up about 5% of...
Read MoreWhat Causes Volcanoes? Volcanoes form when pressures within the earth force melted rock and gases upward through cracks in the surface. The earth’s crust is made...
Read MoreHow Does a Scab Form? If you accidentally cut your finger, blood flows into the wound from tiny blood vessels in your skin. But your finger doesn’t bleed for...
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