What are two different functions of the skeleton?
What will be an ideal response?
One function of the skeleton is to protect the body. For example, the skull surrounds and protects the brain, the vertebrae protect the spinal cord, and the ribs protect the heart and lungs. The skeleton also supports the body and, in cooperation with the muscles, moves it.
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If the earth's axis were parallel with its orbital plane around the Sun
A) there would be no significant weather. B) the South Pole would always be in darkness. C) the North Pole would always be in darkness. D) there would be at least one day a year when every spot on Earth would receive 12 hours of daylight.
The rigid outer layer of Earth that comprises the continental crust, oceanic crust, and the uppermost mantle is called the ____
A) hydrosphere B) lithosphere C) asthenosphere D) outer core
The movement of smoke in the atmosphere from one area to another by wind is an example of ____
A) advection B) radiation C) conduction D) reflection
Useful simplifications of a more complex reality do NOT include:
a. photographs, diagrams, and satellite image. b. maps and globes. c. areas of land smaller than 259 square kilometers (100 square mi.). d. conceptual models.