What Sweep Means?
Late in pregnancy, a doctor or midwife inserts a gloved finger through the cervical canal and uses a sweeping motion to separate the membrane from the…
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Why Were The Walls Of Jerusalem So Important?
Today, one of the old retaining walls of the Temple — called the Western Wall — is a principal worship site for Jews. For Christians, Jerusalem is als…
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How Is Nutrients Transported Through A Plant?
Plants absorb nutrients and water through their roots , but photosynthesis — the process by which plants create their fuel — occurs in the leaves. ...…
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Who Uses Hydropower?
Hydroelectric energy is the most commonly-used renewable source of electricity. China is the largest producer of hydroelectricity. Other top producers…
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Which Transport Goes From High To Low Concentration?
During active transport , substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This…
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Why Are You Interested In Being An Electrician?
A huge benefit to becoming an electrician is that you won’t accumulate an unimaginable amount of student debt similar to other university courses on t…
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What Were The Three Uses Of Fire For Stone Age Man?
There is archaeological evidence that some Stone Age people used fire to clear a site of vegetation and rodents before building a camp or settlement .…
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How Does Understanding The Physical Properties Of Substances Help To Classify And Compare Them?
These physical properties can be used to classify substances. For example, in the case of physical state, a substance can be either a solid, a liquid,…
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What Should You Not Say To A Mechanic?
‘Just do what it needs. ‘ This can leave a vehicle owner open for a very expensive repair. ... ‘I don’t know anything about cars. ‘ While many people …
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Why Is Scaling Important In Architecture?
Scale allows us to understand the relationship between a representation – a drawing or model – and reality . Being able to draw accurately to scale, a…
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What Was The Material Of The First Sumerian Houses?
In both Sumer and Babylon, houses were built out of cut sandstone blocks or mud bricks . What were Sumerian houses made of? Sumerian Art and Architect…
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Does Corrosion Occur In Vacuum?
Instead of moisture and oxygen acting as the primary corrosion causes, the materials exposed to outer space are subjected to vacuum , bombardment by u…