| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.69 |
| Score | 0% | 74% |
Cirrus clouds are thin, wispy clouds composed of ice crystals. At what elevation to cirrus clouds form?
mid-altitude |
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low-altitude |
|
ground level |
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high-altitude |
Cirrus clouds are thin, wispy high-altitude clouds composed of ice crystals that originate from the freezing of supercooled water droplets. Cirrus clouds generally occur in fair weather and point in the direction of air movement at their elevation.
The connective tissue that connects bones to other bones at joints is called:
tendons |
|
ligaments |
|
knuckles |
|
cartilage |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
Which of the following states of matter exists at the highest temperature?
solid |
|
liquid |
|
none of these |
|
gas |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
neutron |
|
atom |
|
proton |
|
electron |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
raise, decrease |
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decrease, stabilize |
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decrease, raise |
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stabilize, raise |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.