It's b because i'm taking apex and that's the answer to the question.
Labourer is the synonym of the given problem.
Synonym:
It is one of two or more words or expressions of the same language that have the same or nearly the same meaning in some or all senses.
Labourer:
A laborer (or labourer) is a person who works in manual labor types, especially in the construction and factory industries' workforce. Laborers are in a class of wage-earners in which their only possession of significant material value is their labor.
They are the basic pillar in the country development and have a huge impact over the economy of the nation.
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Answer:
Energy-efficiency and e-waste are two major techniques involved in green computing. Energy efficiency involves implementation of energy-efficient central processing units (CPUs), servers and peripherals as well as reduced resource consumption. And e-waste is the proper disposal of electronic waste.
Visit Civic Institutions.
Donating Your Outdated Technology
Sell Off Your Outdated Technology
Give Your Electronic Waste to a Certified E-Waste Recycler.
Explanation:
