Four Liners-71-80

71 Vibgyor A mnemonic acronym used to easily remember the colours of the rainbow Violet, indigo, blue, green, yellow, orange, red in an order. But ROYGBIV, the exact inverse of VIBGYOR is the right order.. red to violet It was Isaac Newton who first identified the seven colours of the rainbow 72 Tamarind A tropical tree tamarind is a hardwood tree and has a lifespan of 10 to 15 years There are sweet and sour varieties of tamarind.. more common is sour varieties The fruit is fleshy, juicy and acidic.. matures turning brown or reddish brown Tamarind has been used as a medicinal remedy for years in multiple cultures 73 Gravel Gravel is a loose aggregation of rock fragments.Gravel occurs Naturally on Earth as a result of sedimentary and erosive processes Gravel is a natural material that consists of water-transported materials Gravel is classified by size range...from granule to boulder-sized fragments. 74 Granite Granite is an igneous rock composed of mostly two minerals: quartz and feldspar Granite was first formed 300 million years ago by the cooling of magma (silicate melt) at depth Granite is waterproof, stain and heat resistant, easy to clean and hard to damage Granite is in pink, white, grey and black colours used in house construction 75 Banana Banana is an edible fruit produced by several kinds of herbaceous flowering plants Bananas contain essential nutrients that help heart's health and blood pressure Banana should not be eaten at night as our stomach takes a long time to digest it Bananas are less dense than water and hence they float in water 76 Cockroach Cockroaches are insects and have been around since the time of dinosaurs Cockroaches can live almost a month without food and without water for two weeks Cockroaches are omnivores.They can cause allergies and trigger asthma attacks Cockroaches can also spread bacteria of nearly thirty three different kinds 77 Puddle A puddle is a small accumulation of liquid, usually water, on a surface Puddles commonly form during rain and can cause problems for transport A puddle is formed by surface tension or by pooling on the surface For tadpoles or mosquito larvae a puddle can form an entire habitat 78 coral Corals are marine invertebrates of all colours, shapes and sizes They're thousands of individual animals, called polyps Coral beads are natural products made from the shells of large polyps Around the world there are about six thousand coral-species 79 Pearl Pearls are organic gemstones which form inside a living pearl-producing mollusk A pearl is composed of calcium carbonate just like the shell of a mollusk Natural or wild pearls are typically found by shellfish harvesters Cultured pearls are real pearls grown inside real oysters at pearl farms 80 Frog Frogs can live in water and on land.So they are called amphibians Frogs have large eyes, and a smooth or warty skin but no tail and claws Frogs have long hind legs, elongated ankle bones, and webbed toes Frogs also have a third eyelid that completely covers their eyes