Answer:
I think it's True but I don't know sorry if I'm wrong
Fist one correct.
second wrong because not all heat is used for work, some of it lost to other.
third wrong because fuel burn inside is called combustion engine
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Answer:
Beta
Explanation:
Beta testing is a Quality Assurance process, where Developers and testers evaluate the quality of application experience from the point of view of the users, who are the most important targets of any software product.
Answer:
See explaination
Explanation:
Somehing is considered functional dependent (FD) if a relationship between two attributes, typically between the PK and other non-key attributes within a table. For any relation R, attribute Y is functionally dependent on attribute X (usually the PK), if for every valid instance of X, that value of X uniquely determines the value of Y.
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Answer:
variable(s) determine the amount of potential energy an object has?
Explanation: