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How Many Ocean Currents Are There?
There are many types of great ocean currents or drifts. They are caused by three main forces: the prevailing winds, the earth’s rotation and…
What Distinguishes Isolation from Quarantine?
What Happens When You Are Quarantined? Governments use quarantines to stop the spread of contagious diseases. Quarantines are for people or groups who don’t…
How Does the Severn Bore Occur?
A bore in this sense is a tidal wave of great height and speed caused by the meeting of two tides or the rush…
What Is Coronavirus Disease 2019?
Coronavirus disease 2019 (COVID-19) is an illness caused by a novel virus. When a coronavirus is “novel,” that means it’s being seen in humans…
What Is a Pangolin and How Much Does It Cost?
The pangolin has walked the earth for 80 million years. Described as a living pinecone and an artichoke with legs, it’s a toothless scaly…