Questions

Communications planning - Determining the information and communications needs of the project stakeholders.

Information Distribution - Making needed information available  to project stakeholders in a timely manner.

Performance Reporting - Collecting and distributing performance information. This includes status reporting, progress measurement, and forecasting.

Manage Stakeholders - Managing communications to satisfy the requirements of and resolve issues with project stakeholders.

2016 Australian Open –Men's Singles. Novak Djokovic was the defending champion and successfully defended his title, defeating Andy Murray, 6–1, 7–5, 7–6 in arematch of the previous year's final, and the fourth Australian Open final between the pair.

The meanings of the given words are as follows:
Tremulous: shaking or quivering slightly 

Stringent: (of regulations, requirements, or conditions) strict, precise, and exacting

Garrulous: excessively talkative, especially on trivial matters
Quivery: shaking or trembling slightly
Steady: firmly fixed, supported, or balanced; not shaking or moving
Conjunctive: relating to or forming a connection or combination of things
Desist: stop doing something; cease or abstain

Abstain: restrain oneself from doing or enjoying something
Defer: put off (an action or event) to a later time; postpone
Terse: sparing in the use of words; abrupt
Abrupt: sudden and unexpected
Therefore, it can be observed that option B i.e. ‘quivery, steady’ forms a synonym-antonym pair of ‘tremulous’.

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.