What is the main source of energy for the plant? the Sun Do the sun is only source of energy for photosynthesis? The Sun is an infinite (at least in terms of human time scales) and renewable source of energy which is also by far the most important source of energy for us. Primary productivity […]
Why did the population growth faster after 1804?
Why did the population growth faster after 1804? As NPR’s Adam Cole reports, it was just over two centuries ago that the global population was 1 billion — in 1804. But better medicine and improved agriculture resulted in higher life expectancy for children, dramatically increasing the world population. What is the largest race in the […]
Can animals see UV?
Can animals see UV? What they found suggests that most mammals can, in fact, see UV light—including dogs, cats, ferrets, and reindeer. Unlike humans, these mammals have lenses that allow UV light though. Even though they lack the specialized UV-sensitive type of cone, the other three kinds of cones can combine to make up for […]
Why places near the sea have humid climate?
How do I calculate the average percentage increase?
How do I calculate the average percentage increase? To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Increase = New Number – Original Number. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × […]
What is the condition of a starved evaporator coil?
What is the condition of a starved evaporator coil? A starved evaporator coil is a condition in which not enough refrigerant has been supplied through the total coil length. Therefore, expansion of the refrigerant has not occurred through the whole coil length, resulting in poor coil operation and too-low heat exchange. When a refrigeration unit […]
Is Mg OH 2 an acid or base?
Why must an accurate percent yield be below 100%?
Why must an accurate percent yield be below 100%? Percent yield is the percent ratio of actual yield to the theoretical yield. Usually, percent yield is lower than 100% because the actual yield is often less than the theoretical value. Reasons for this can include incomplete or competing reactions and loss of sample during recovery. […]
What are the basic principles of visual design?
What are the basic principles of visual design? The elements, or principles, of visual design include Contrast, Balance, Emphasis, Movement, White Space, Proportion, Hierarchy, Repetition, Rhythm, Pattern, Unity, and Variety. These principles of design work together to create something that is aesthetically pleasing and optimizes the user experience. What is the importance of elements of […]
What causes the water level in the toilet bowl to drop?
What causes the water level in the toilet bowl to drop? There are a few possibilities for water fluctuations in the bowl: The air vent is blocked preventing the plumbing system from breathing; a waste pipe is pitched incorrectly causing the water in the bowl to settle to a new level; or the porcelain in […]