Why do apples turn brown in the air? Fruit turns brown when exposed to air because a reaction is happening when a cut piece of fruit is exposed to oxygen. The chemical reaction can be simplified to: Polyphenol Oxidase + O2 → Melanin (Brown Color) Oxygen activates the compound polyphenol oxidase in the fruit to […]
What causes high calcium levels in the blood?
What causes high calcium levels in the blood? Hypercalcemia is usually a result of overactive parathyroid glands. These four tiny glands are situated in the neck, near the thyroid gland. Other causes of hypercalcemia include cancer, certain other medical disorders, some medications, and taking too much of calcium and vitamin D supplements. Should I worry […]
What is the Igbo dance called?
What is the Igbo dance called? Atilogwu What role does dancing have in the Igbo culture? The culture of the Nigerian people embraces Igbo dance not only as a traditional ritual but as the critical means of communication as well. In contrast to it, Ikpirikpi-ogu dance is claimed to be the ritual of warriors, which […]
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What causes split ends in hair?
What causes split ends in hair? Split ends happen when the ends of your hair become dry, brittle, and frayed. Exposure to extreme weather conditions, and hair care techniques such as blow drying, straightening, and curling may cause split ends. They’re also caused by chemical hair products. Do split ends mean your hair is unhealthy? […]
What does rucksack mean?
What does rucksack mean? chiefly British. : a bag that is strapped to the back with two shoulder straps and is used for carrying personal belongings and supplies : knapsack I picked up a rucksack full of spare gear and began to slog back up the steep, slippery grass to the headland.— What is the […]
What causes flames to shoot out of the exhaust?
What causes flames to shoot out of the exhaust? This phenomenon is caused by an overly-rich air/fuel mixture, as unburnt fuel is ignited further down the exhaust system, producing a loud pop or even flames from the exhaust. The spark from the spark plug can only ignite a certain amount of air/fuel mixture, therefore the […]
Can African violets get sunburned?
Can African violets get sunburned? African violets are especially sensitive to unfavorable lighting conditions. On the other hand, too much sunlight also makes violets unhappy. Too much or too bright sunlight actually sunburns the delicate leaves of the violet, producing brown “sunspots” on the leaves and flowers. Can an African violet get too much sun? […]
What happens when a knock sensor goes bad?
What happens when a knock sensor goes bad? A bad knock sensor may also not let the engine accelerate properly while driving on the highway, and cause the vehicle to lose fuel mileage. Once the computer realizes the knock sensor is not working properly, your vehicle will most likely lose power. What happens if you […]