A. About 37% of the area of the entire world is agricultural land, a third of which (about 11%) is used for crops. 

B. How to do this is the question facing agricultural scientists across the world.

C. Moreover, the answer is far more complicated to obtain as previously thought. 

D. Experts predict that agricultural yield must increase by 50% between now and 2050. 

E. And as the population of the world rises to 9.7 billion people in 30 years, the land available for crops will reduce.

F. They are yet to find a more pragmatic answer to the question. 

G. Thus, there is an immediate need to try and improve the efficiency of food production.

A. Given the nature of their calling, performing artistes are sensitive, acutely perceptive beings.

B. Of course, new ideas are always presented, that is a given, but I always remain within the “dairaa” of tradition – anga, bhaava, taal, laya. 

C. A musician, who doesn’t want to be named says, “Nowadays, I am frequently told, we have included your item at this point of the schedule to make a bit of a splash; wake the audience up, we expect fireworks on stage, please!”

D. Artistes also notice even very imperceptible concert presentation changes in their peers and younger artistes; in terms of format, length of a piece, content. 

E. These are all indicative of subtle changes that are inexorably taking place, and which over time mould the style of concert presentation.

F. While going about their routine business of performing to audiences all over the world, they are susceptible to subtle changes.

G. Pt. Birju Maharaj, Kathak exponent says “I am happy that in my family so many of my children and grandchildren are in this line – they are carrying forward the family tradition, the parampara. 

A. China's birth rate fell to a low 10.94 per thousand in 2018. 

B. The low birth-rate has everyone on edge, yet the local governments care only about collecting fees," journalist Jin Wei wrote on her verified Weibo account. 

C. The country is doing all it can to encourage childbirth but the local governments need money, so we end with this sort of madness," a columnist and political commentator who writes under the name Lianpeng said on China's Weibo microblogging service. 

D. 2 million fewer babies were born in China in 2018. 

E. In the face of an ageing society, China's leaders are desperately seeking to persuade couples to have more children.

F. When the couple was fined for having a third baby, it created an outrage among people against population control officers, who are still persecuting couples for violating the scrapped 'one-child policy'.

G. However bureaucrats seem to think just the opposite as they fined a couple for having a third child.

A. Feeding a hungry planet is growing increasingly difficult. 

B. It is possible in our lifetime and it is also realistic to end hunger and malnutrition. 

C. The call for action is very clear.

D. About 820 million people are malnourished. 

E. Population growth requires supplies of more nutritious food at affordable prices.

F. But increasing farm output is hard given the “fragility of the natural resource base”. 

G. Food security remains tenuous for many millions of people who lack access to affordable, adequately nourishing diets for a variety of reasons. 

A. The “cruel” attack in Pulwama shows that the time for talks has passed. 

B. Now, it is required that the world unites against terrorism and those who support it.

C. Hesitation to take action against terrorism and those who support it is akin to encouraging terrorism. 

D. India is now exploring diplomatic options to pressure Pakistan to act on terrorist groups based on its soil. 

E. Islamabad on Monday summoned its envoy in India for consultations. 

F. We have called back our High Commissioner for consultations,” Dr. Mohammad Faisal, Spokesperson of Pakistan Ministry of Foreign Affairs said.  

G. Soon after the Pulwama attack, India too summoned its High Commissioner in Islamabad Ajay Bisaria for consultations. 

(1) The weather was extremely cold and unnerving. 

(2) We decided not to wear our jackets and continue with our task. 

(i) Although the weather was extremely cold … 

(ii) Because the weather was extremely cold … 

(iii) Since the weather was extremely cold … 

(1) The ministry issued repeated warnings to the offenders.

(2) They have failed to justify the reason for their frequent misconduct.  

 (i) As long as the ministry issued repeating …

 (ii) Despite the ministry issuing repeated …

 (iii) Nonetheless the ministry issued repeated warnings… 

 (1) I have known her for almost twenty years now. 

 (2) It comes as a huge shock to me that she is summoned by the court. 

 (i) Yet I have known her for twenty years …

 (ii) On the one hand I have known her for… 

 (iii) Besides, I have known her for almost twenty years… 

 (1) The plan has less features than the actual standard system.

 (2) The performance will be better. 

 (i) As regard the plan is having less features …

 (ii) Due to the plan having less features…

 (iii) Firstly, the plan having less features… 

 (1) One should not abort the plan midway.

 (2) When faced with difficulties and challenges in the course of time. 

 (i) Nevertheless, one should not abort the …

 (ii) On the contrary, one should abort the plan …

 (iii) On account of not aborting the plan…