Physical properties of a substance are characteristics that can be observed without altering the identity of the substance. Color, odor, density, melting temperature, boiling temperature, and solubility are examples of physical properties. Physical properties can be used to identify a pure substance.
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Answer:
The natural resource of Latin America did the first European explorers most desire is the "herb & spices", gold and diamond also.
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Answer:
I can guess the environment has changed since the last time
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The factors that affect the temperature in an area are the latitude, height above sea level, distance from the sea, ocean currents and prevailing winds.