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Sia ? 4 years, 7 months ago (6945213)
Painting is the practice of applying paint, pigment, color or other medium to a solid surface. The medium is commonly applied to the base with a brush, but other implements, such as knives, sponges, and airbrushes, can be used. In art, the term painting describes both the act and the result of the action.
Posted by Sayan Tripathy 4 years, 7 months ago (10661063)
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The core concern of studying geography as a discipline is to understand the earth as a home of human beings and to study all those elements which have sustained them.
Posted by Sayan Tripathy 4 years, 7 months ago (10661063)
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Doubling time is the amount of time it takes for a given quantity to double in size or value at a constant growth rate. We can find the doubling time for a population undergoing exponential growth by using the Rule of 70. To do this, we divide 70 by the growth rate (r).
The doubling time is time it takes for a population to double in size/value. It is applied to population growth, inflation, resource extraction, consumption of goods, compound interest, the volume of malignant tumours, and many other things that tend to grow over time. When the relative growth rate (not the absolute growth rate) is constant, the quantity undergoes exponential growth and has a constant doubling time or period, which can be calculated directly from the growth rate.
This time can be calculated by dividing the natural logarithm of 2 by the exponent of growth, or approximated by dividing 70 by the percentage growth rate[1] (more roughly but roundly, dividing 72; see the rule of 72 for details and derivatiatives of this formula).
The doubling time is a characteristic unit (a natural unit of scale) for the exponential growth equation, and its converse for exponential decay is the half-life.
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Physiological Effects: When the human body is placed under physical or psychological stress, it increases the production of certain hormones such as adrenaline and Cortisol. It causes:
• Changes in heart-rate, blood-pressure levels, metabolism and physical activity.
• Slowing down of digestive system.
• Constriction of blood vessels.
Cognitive Effects: High levels of stress can lead to:
• Mental overload.
• Impairment in the ability to make sound decision.
• Poor concentration.
• Reduced short term memory.
Emotional Effects: Those who suffer from stress are more likely to experience:
• Mood swings.
• Erratic behaviour.
• Maladjustment with family and friends.
• Feeling of anxiety and depression.
• Increased physical and psychological tension.
• Intolerance.
• Impatience.
Behavioural Effects: Stress affects our behaviour in the form of:
• Eating less nutritional food.
• Increasing intake of stimulants such as caffeine or excessive consumption of cigarettes, alcohol and drugs.
• Disrupted sleep pattern.
• Reduced work performance.
Posted by Mahfuz Alam Ahmed 4 years, 7 months ago (9431135)
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Devanshi Devismita 4 years, 7 months ago (11130367)
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Positive Indian 4 years, 4 months ago (11616751)
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