| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
What kind of weather front is likely to create clouds and storms?
temperate front |
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stationary front |
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cold front |
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warm front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
Cellular fermentation takes place:
aerobically |
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anaerobically |
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in the presence of oxygen |
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in plant cells |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
Elements in the Periodic Table of the Elements are ordered by which of the following?
number of electron shells |
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atomic weight |
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atomic number |
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atomic mass |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
Which of the following is the smallest component of an element that still retains the properties of the element?
element |
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neutron |
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molecule |
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atom |
An atom is the smallest component of an element that still retains the properties of the element.
In the heart, blood flows from the __________ ventricle to the lungs then back to the heart via the __________ atrium.
right, right |
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left, left |
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right, left |
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left, right |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.