What do you know about Russia and Russians? Did you know that mathematics Americans learn in high school is a part of Russian elementary school program?

Answer:

• The Nation of the World met in Paris to conclude a new treaty on Climate Change in December 2015.
• The agreement they made in the summit apply to all countries whether its developed or underdeveloped not only to the developed countries.
• In the summit, they set the target of keeping the earth temperature rise well below two degrees of Celsius above the pre-industrial level.

John Kerry, the US secretary of state, talked animatedly with hisofficials, while China’s foreign minister Xie Zhenhua wore a troubledlook. They had been waiting in this hall for nearly two hours. TheFrench hosts had trooped in to take their seats on the stage, ready toapplaud on schedule at 5.30pm – but it was now after 7pm, and theplatform was deserted.

After two weeks of fraught negotiations, was something going badly wrong?

Then at 7.16pm, the French foreign minister, Laurent Fabius, returnedabruptly to the stage, flanked by high-ranking UN officials. Thelast-minute compromises had been resolved, he said. And suddenly theywere all on their feet. Fabius brought down the green-topped gavel, asymbol of UN talks, and announced that a Paris agreement had beensigned. The delegates were clapping, cheering and whistling wildly,embracing and weeping. Even the normally reserved economist Lord Sternwas whooping.

Outside the hall, a “Mexican wave” of standing ovations rippledacross the conference centre as news reached participants gatheredaround screens outside for the translation into their own language. The50,000 people who attended the summit had been waiting for this moment,through marathon negotiating sessions and sleepless nights.

The contrast with the last global attempt to resolve climate change,at Copenhagen in 2009, which collapsed into chaos and recriminations,could not have been greater. In a city recently hit by terrorist attacksthat left 130 dead and scores more critically injured, collective willhad prevailed.

To know the exact future.

Answer:

Option- A

• The reasons that those who score highest on the "pleasant life," without comparable scores on either the "good life" and/or the "meaningful life," tend to be less happy just because one’s sense of pleasure varies extensively over the life course.
• As, human behavior can be termed as more inconsistent in nature and there is no clear constant form of sequence for the different individuals to live there lives.