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Here, three nouns are connected by ‘and’. So, the verb should be plural. Reporters were informed that multiple checkpoints by various armed militant groups, overflight clearances from different countries, and delay in landing permissions have been the major problems posing a challenge to the evacuation process.
What is the name of the outermost layer of the Earth?
When a metal reacts with dilute hydrochloric acid, it produces:
Which of the following does not show heterotrophic nutrition?
The base of an electric iron is brightly polished mainly -
Which of the following is the correct term used to describe Graphite, Carbon and Diamonds?
Which gas is commonly used in electric bulbs to prevent oxidation?
Group number and valency have no relation in
Which of the following reproduces using fission?
The density of the liquid when heated
The temperature which has the same reading on both Fahrenheit and Celsius scales is –