Answer:
Liquid, definite volume but no definite shape.
Explanation:
1. False, the water being stored behind the dam has potential energy until it begins to flow through the dam (it is then converted to kinetic energy).
2. True
3. True
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Answer:
An ice pack uses friction and the chemicals inside make it mix to make it cold
Explanation:
<span>The half-life of Carbon 14 and radionuclides are used to estimate the absolute (versus relative) age of pre-history items </span>
Answer:
metal atoms lose electrons to form positive ions (cations)
Explanation:
metal atoms lose electrons to form positive ions (cations ) non-metal atoms gain electrons to form negative ions (anions )
