B2.2 Human family

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carolina prieto

Colombia

#	Player	Accuracy	time
1	camipearson July 26, 2026	% 100	01:49
2	carolina prieto July 20, 2026	% 14	02:32

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Fill in the Blanks B2.2 Human familyOnline version Complete the video summary by carolina prieto 1 Scientists believe that Earth is over years old , and by the world's population is expected to reach around people . Although there will be more people , everyone standing shoulder to shoulder would only cover an area the size of . Every second , about 4 people are born and 2 people die , so the global is constantly growing . Today , China has population , but India is expected to become the most populated country by 2050 . As the population grows , we will need more resources , such as food , water , and . More people are moving to cities than rural areas , mainly because of better job opportunities . By 2050 , around of the world's population will live in urban areas . As cities continue to grow , the number of is also increasing . These are cities with more than 10 million people . Population growth also creates important challenges , including , , worker exploitation , water contamination , and . However , our individual choices can make a big difference . We can walk , ride a bike , use public transportation , recycle , and support the use of renewable energy . Finally , creating a fairer society means using Earth's resources wisely and protecting the planet for future generations .