The growth of a population over time can sometimes be approximated by which graph? A. A straight line. B. A parabola opening downwards. C. A curve that starts slowly and then grows rapidly. D. A wavy line. 相关知识点: 试题来源: 解析 C。解析:人口增长通常开始缓慢然后迅速增长,图像是一...
试题来源: 解析 根据具体图表内容而定。本题考查对折线图中特定时间点人口数量的理解。根据折线图中时间和人口数量的对应关系,找到 2020 年对应的人口数量。如果是 2000,答案就是选项 B,以此类推。选项 A、B、C、D 的正确性取决于具体图表情况。反馈 收藏 ...
Time-series distribution of China’s population. Full size image From the time-series graph in Fig. 7, we can find that the population of China is generally increasing year by year, and does not fluctuate up and down around a certain mean value, so it can be known that the series is ...
Looking at the resulting graph, we found that all populations exhibit a certain amount of admixture, with Puerto Ricans and Bermudians exhibiting the highest diversity and Yoruba the least. We further found distinct substructure among geographically adjacent populations that decreased in similarity with ...
This graph shows the population of the U.S. by race and ethnic group from 2000 to 2023. In 2023, there were around 21.39 million people of Asian origin living in the United States. A ranking of the most spoken languages across the world can be accessed here. U.S. populationCurrently, ...
We collected data from 984 participants living in north London and applied the Partial Least Square Structural Equation Modelling (PLS-SEM) technique to analyse the data. Our research can contribute towards reducing some of the existing digital divide within UK older adults. Moreover, businesses can...
As the graph highlights, almost half of all Americans living in Mexico live in one of just 20 municipalities. Tijuana, just across the border from San Diego, leads the way, with 6.4% of all the Americans over age 50 living in Mexico, followed by Chapala and San Miguel de Allende, the ...
DES models a system or process as an ordered sequence of individual events over time, that is, from the time of one event to the time of the next event. Hence, in a DES simulation, time is usually much shorter than real time.
Eczema and asthma are allergic diseases and two of the commonest chronic conditions in high-income countries. Their co-existence with other allergic conditions is common, but little research exists on wider multimorbidity with these conditions. We set ou
Many countries with tropical reef systems face hard choices preserving coral reefs in the face of climate change on limited budgets. One approach to maximising regional reef resilience is targeting management efforts and resources at reefs that export la