Answer:
those animals which have backbone are called vertibrates
Examples are used to "exemplify" a situation. Hence, we take an abstract theory and we make it more approachable by showcasing some details. Hence, we have that the example makes abstract idea more concrete. The first 2 choices are wrong since they state the opposite. The 3rd choice is rather irrelevant, examples can make it more or less didactic. Hence, the 4th choice is correct.
The correct answer is - D) It has contributed to a negative balance of trade.
The decreasing demand for US exports has had a negative effect on the trade deficit. This kind of situation results in an ever growing imbalance of trade, as the home made products are becoming less demanded, while the importing of goods and products is increasing, constantly making the trade deficit bigger.
That can eventually lead to an economic collapse, economic crisis similar to the Great Depression, as the country will not be able to work in that way forever. The GDP, both the nominal and the per capita, will suffer because of that, which will cause lot of unrest and opposition from the general public.
Answer:
C. Happy people are more likely to send a lot of tweets than sad people
Explanation:
- If the researcher wants to find out the relationships between the tweets and the happiness of the people and he comes to a conclusion that a positive correlation exists as the number of the people that are happier are more likely to send more tweets than those of the sad people and thus concluded that a strong correlation exists when people give more tweets are considered or reported to be happy.
<span>The period of life from about age 12 to 18 and the early twenties, during which a young person is no longer physically a child but is not yet an independent, self-supporting adult, is called adolescence.
</span><span>In this period the adolescents struggle with their body changes, mood swings and social issues. </span>