English<span> is the third most common native language in the world, and Mandarin </span>Chinese<span> is is the first. ... In contrast to </span>English<span>, </span>Chinese<span> languages are tonal; for instance, a syllable pronounced with a rising tone may have a </span>different<span> meaning from the same syllable without the rising tone.</span>
Answer: Sex ratio
Explanation: The sex ratio or the gender ratio, as some argue, because according to some scientists these two terms are not interchangeable, is the ratio between the number of men and the number of women in the population. This ratio varies and depends on the type of society, i.e. it depends on economic, social, cultural, biological and technological conditions. The ratio of genders in the population, that is, the number of men and women can be affected by migration, higher mortality in some of the gender, as well as the average length of the life of the genders.
The whole amount of currency need to be the same.
Answer: politics
Explanation: because they tell people what is going on in the world and about the civic responsibilities
