Business & money
Why do we have economic problems?

Why do we have economic problems? All societies face the economic problem, which is the problem of how to make the best use of limited, or scarce, resources. The economic problem exists because, although the needs and wants of people are endless, the resources available to satisfy needs and wants ...

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Why do we need 2 Houses of Parliament?

Why do we need 2 Houses of Parliament? To balance the interests of both the small and large states, the Framers of the Constitution divided the power of Congress between the two houses. Every state has an equal voice in the Senate, while representation in the House of Representatives is based on ...

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Why do we need to prepare competent cells?

Why do we need to prepare competent cells? Competent cells are ready to use bacterial cells that possess more easily altered cell walls by which foreign DNA can be passed through easily. Most types of cells cannot take up DNA efficiently unless they have been exposed to special chemical or ...

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Why do we use biological control?

Why do we use biological control? Biological control is compatible with most other control techniques (except sometimes the use of insecticides and herbicides). Biological control reduces the vigour, competitiveness and reproductive capacity of the weed, making it more manageable. Why is ...

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Why do you need tuckpointing?

Why do you need tuckpointing? Tuckpointing helps to prevent water from entering into the chimney system. If the mortar joints are not repaired, water will seep down the chimney and sometimes between the chimney and the flue lining. Moisture can do a serious amount of unseen damage, such as cause ...

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Why does a 9 volt battery ignite steel wool?

Why does a 9 volt battery ignite steel wool? When you touch the 9 volt battery to it, the steel wool makes a completes the circuit of the battery. Steel wool is made mostly of iron which is extremely conductive. The surge of electrical current from the battery heats up the iron which causes it to ...

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Why do people survey property?

Why do people survey property? A survey provides peace of mind by showing the exact location of the house you are buying. A survey shows the exact dimensions of the property's boundary lines and how much land is included within those lines. What is the purpose of a property survey? A ...

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Why did PG&E shut off?

Why did PG&E shut off? PG&E is calling a PSPS due to a high-wind event combined with low humidity and severely dry vegetation, that together create high risk of catastrophic wildfires. Due changes in the weather forecast, the number of customers expected to be impacted has decreased by 31 percent. ...

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Why do stomata open during the day?

Why do stomata open during the day? The stomata is a structure in a plant cell that allows water or gases to be let into the plant. Stomata are open during the day because this is when photosynthesis typically occurs. Opening and closing of stomata occur due to turgor changes in guard cells. ...

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Frank Slide - Outdoor Blog
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