What is the main feature of metallic bonding, and what properties result from this main feature? What will be an ideal response?
In metals, electrons in the outermost electron shells can move freely from one atom to another. The
movement of electrons accounts for the metals metallic luster, electrical and thermal conductivity, and
ease of reshaping.
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What process explains how hydrothermal vents are created?
a. Fracture zones b. Conduction c. Convection d. Pressure
Bacteria living in the ocean are ________.
A. decomposers of organic matter B. a food source for other organisms C. recyclers of nutrients D. All of these are correct. E. None of these is correct.
Where is cholesterol synthesized?
A) in the liver B) in the pancreas C) in the spleen D) in none of these
Evidence that Muslims were active traders with Southeast Asia centuries before the arrival of the Europeans.
A. Indonesia, including the Spice Islands, is overwhelmingly Islamic. B. Descendants of 14th century Middle Eastern traders still speak Bahasa Indonesia. C. Marco Polo mentioned them in his diary which was published in 1300s. D. The Muslim traders in the Moluccas traded freely with the later-arriving Spanish