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What ever happened to birds’ teeth? Ever since a fossil of the ancient bird Archaeopteryx was discovered in 1861, scientists have known that avian ancestors once had teeth while birds today lack those pearly whites. But when birds “lost their teeth” has remained a mystery — until now. A new study suggests that the common […]
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Basic Technology, JSS 1 Week 2 Topic: Workshop Safety Rules and Resolution Safety In this chapter we shall discuss the meaning and causes of workshop accidents/hazards accident prevention techniques, safety devices e.g. fire extinguisher, sand buckets, blankets, gloves, other related items and types of fire, which are divided into two namely: Electrical fire: Electrical spark
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Economics, SS 2, Week 8 Topic: Deflation Content: Meaning of deflation Causes of deflation Effects of deflation Control of deflation Meaning of Deflation It is a general decline in prices, often caused by a reduction in the supply of money or credit. It is defined as the continuous or persistent fall in the price level
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