The part of the sentence "whether it is needed" is correct and usable in written English.
You can use it whenever you're asking a question about the necessity of something. For example: "We must decide whether it is needed to implement additional safety protocols."
The market will answer the question of whether it is needed or not, he said.
The UR plan must provide for a review of each beneficiary's admission to the hospital to decide whether it is needed, in accordance with the requirements of §§ 456.122 through 456.129.
Additionally, the student must enroll in at least 8 credits of course/project work which would be eligible for CS MEng degree credit whether it is needed or not.
The UR plan must provide for a review of each beneficiary's continued stay in the hospital to decide whether it is needed, in accordance with the requirements of §§ 456.132 through 456.137.
And in many countries, including America, utilities are having to accommodate consumers who also produce energy, typically from solar panels, and sell it to the grid regardless of whether it is needed or not (see article).This was a trivial obligation a few years ago.
But Mr Yang's high-profile rebellion has won sympathy even in the state-controlled press.Rumblings of discontent over the one-child policy have been growing louder, stirred by debate over whether it is needed now that the first children born under it face the prospect of caring for an ever-increasing number of pensioners.
But whether it's needed for billions of light bulbs or thousands of factories, Gadgil says, energy must be produced more efficiently and the water used for societal purposes must be conserved, reused and recycled using less energy.
The perception that there wasn't government oversight clear down to where boom was going in the water resulted in us redirecting resources to reinforce the fact, whether it was needed or not, that there was government oversight".
The perception that there wasn't government oversight — clear down to where boom was going in the water — resulted in us redirecting resources to reinforce the fact, whether it was needed or not, that there was government oversight".
Every school night, my sons did their homework sitting on a bar stool at our counter, where they could finagle help whether it was needed or not.
And, as in other industries, these failures often happen when entrepreneurs create a new technology before figuring out how whether it's needed.
