Answer:
Nanoparticles do hold out much environmental promise. The same reactivity that makes them harmful in the body also means they can break down dangerous chemicals in toxic waste – or anywhere, for that matter. And their use in electronics drastically reduces power demand, which could cut greenhouse gases.
Answer: Parentheses
Explanation:
The open and close parentheses basically identify the visual basic statement in the procedure call statement.
The close procedure basically in the visual basic statement basically terminate the call of a program that performed the real processing. Open and close is also known as right and left parentheses.
The close statement is basically control the pre-defined programming statement in the particular close procedure.
Answer:
B. result = numA/numB
Explanation:
__truediv__ overloads the / operator in Python. Since that has been defined in the class "num" and numA and numB are both objects of type "num" (numA / numB) will call num.__truediv__ using numA as "self" and numB as "b".
Mesh WLAN wireless mesh network WMN describes a wireless network topology in access points work as peer devices on the same network.
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Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.