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Biology, 21.06.2019 22:00
Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.
Answers: 1
Biology, 22.06.2019 00:30
What was the land like over 500 million years ago? what was under the sea?
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Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
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Biology, 22.06.2019 11:00
1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis
Answers: 1
Aplant's response to an external stimulus involves receptors. a receptor that responds to light norm...
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