Answer:
a)None
b)All
this is ur answer from my opinion
Expressions provide an easy way to perform operations on data values to produce other data values, True.
<h3>
What is an Expression? </h3>
An expression is a combination of one or more operands (Constant, Variable, Array element, Function), operators(Multiplication,Division, Subtraction etc) to be interpreted by a programming language following rules of precedence or association to produce other data values.
Three kinds of expressions includes:
- A logical or relational expression
Therefore, it is true that Expressions provide an easy way to perform operations on data values to produce other data values.
Answer
Timekeeping has been a part of society since Ancient Egypt. The use of spring-powered mechanisms allowed clocks to be made smaller ... Essentially, the church bells and the mechanical clock now became the monitor of the working day.
Explanation: