describe it in short..
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Answer:
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Explanation:
African sleeping sickness is also known as African trypanosomiasis
African trypanosomiasis is transmitted to humans by tsetse fly bites. The tsetse flies are found only in rural Africa.
Symptoms-Early symptoms include fever, headaches, joint pains and itching. Later stages may include behavioural changes, confusion and poor coordination.
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HRU?
describe African sleeping sickness
African trypanosomiasis is a parasitic disease transmitted by the tsetse fly. It gets its nickname 'sleeping sickness' because symptoms can include a disturbed sleep pattern
Name some types of food preservation as well as explain the types of it
Freezing Frozen Foods. The most easiest, quickest and convenient method to preserving food is freezing. If the food products are properly frozen then their original colour, texture and flavour is more maintained than food preserved by other methods. ... Preserve foods from off flavors and odors.
Freezing and frozen storage provide an excellent means of preserving the nutritional quality of foods. At subfreezing temperatures the nutrient loss is extremely slow for the typical storage period used in commercial trade.
Canning is an important, safe method of food preservation if practiced properly. The canning process involves placing foods in jars and heating them to a temperature that destroys microorganisms that could be a health hazard or cause the food to spoil.
Canning is a preservation method that involves placing foods in jars or similar containers and heating them to a temperature that destroys micro-organisms that cause food to spoil. During this heating process air is driven out of the jar and as it cools a vacuum seal is formed.
Chilling a food product reduces the risk of bacterial growth. Rapidly chilling (also known as flash freezing or cryogenic freezing) a product mitigates this risk even further. Cryogenic freezing also maintains the natural quality of food. When a product is frozen, ice crystals are formed.
Food irradiation (the application of ionizing radiation to food) is a technology that improves the safety and extends the shelf life of foods by reducing or eliminating microorganisms and insects. Like pasteurizing milk and canning fruits and vegetables, irradiation can make food safer for the consumer.
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