A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
Answer:
They are made in the Heavens, in Stars.
Explanation:
B.
<u>Both use kinetic energy to produce electricity</u> is a similarity between power plants that use water as an energy source and those that use wind as an energy source.
Explanation:
Kinetic energy Is the intrinsic energy that an object or substance possesses due to its motion. All power plants that use water as an energy source utilize the kinetic energy of water to produce electricity. For example, hydro-power plants use the kinetic energy of water flowing due to gravity. Tidal power plants utilize the kinetic energy of water flowing due to tidal changes and geothermal powerplants utilize the energy of steam-water ejecting underground through fissures.
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An example of a physical change is the process of tempering steel to form a knife blade.
physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.