Cause 1: Social media platforms are intentionally designed to be addictive
Social media applications use ​ (a)   that ​ (b)   and constantly deliver ​ (c)   (likes, comments, views) --> ​ (d)   release in the brain --> users feel a strong urge to​ (e)   , even without any practical purpose.

Effect 1: Negative impacts on mental health and concentration
Continuous exposure to ​ (a)   causes information ​ (b)   and ​ (c)   --> users may suffer from stress, sleep disorders, and ​ (d)   on tasks --> significantly ​ (e)   .

In recent years, the excessive amount of time people spend on these devices has become a growing concern. This essay will examine the main causes of smartphone overuse and discuss its negative effects on individuals and society.

One major cause of excessive smartphone use is the addictive design of social media platforms. Applications such as Facebook, Instagram, and TikTok are deliberately created to capture users’ attention through endless scrolling, notifications, and personalized content. These features stimulate the brain’s reward system, encouraging users to repeatedly check their phones even when there is no real need. Another contributing factor is the increasing reliance on smartphones for daily tasks. ​ (a)   work communication, online learning, banking, and entertainment are largely conducted through mobile devices, people feel pressured to remain constantly connected, ​ (b)   gradually leads to excessive screen time.

Spending too much time using smartphones can have serious negative effects on individuals’ mental health. Constant exposure to notifications and online comparisons may cause stress, anxiety, and sleep problems, ​ (c)   frequent interruptions reduce concentration and productivity. At a societal level, smartphone overuse can weaken real-life social relationships. ​ (d)   people prioritize virtual interactions over face-to-face communication, family bonds and social connections become less meaningful. In the long run, ​ (e)   may reduce overall productivity and harm social cohesion.

In conclusion, smartphone overuse is mainly caused by addictive digital design and the widespread integration of mobile technology into daily life. If this problem continues, it may seriously damage mental well-being and the quality of social relationships in modern society.

Cause 1: Rapid urbanisation and population concentration

Large cities attract an influx of migrants ​ (a)   --> the number of ​ (b)   , while road networks and transport infrastructure ​ (c)   --> causes ​ (d)   and overcrowded roads, particularly during​ (e)   .

Effect 1: Declining productivity and quality of life
People spend long hours​ (a)   k --> congested roads ​ (b)   --> force commuters to​ (c)   --> reduces time for ​ (d)   --> stress and fatigue --> seriously lowers urban residents’ quality of life and ​ (e)  

Traffic congestion is an increasingly serious problem in many large cities around the world. As urban populations continue to grow, city roads are struggling to cope with the rising demand for transportation. This essay will examine the main causes of traffic congestion and discuss its negative effects on urban life.

One major cause of traffic congestion is rapid urbanisation and population growth. Large cities attract people seeking better employment and educational opportunities, which leads to a sharp increase in the number of daily commuters. However, road networks and transport infrastructure often fail to expand at the same pace. As a result, roads become overcrowded, especially during peak hours. Another contributing factor is the heavy reliance on private vehicles. ​ (a)   , public transport systems are unreliable or insufficient, ​ (b)   encourages residents to use cars or motorbikes instead. ​ (c)   on private transportation places excessive pressure on limited road space.

Traffic congestion has several harmful effects on urban life. One significant impact is reduced productivity and quality of life. Long commuting times cause stress and fatigue, leaving people with less time for family, rest, and leisure activities. Consequently, workers may experience lower job satisfaction and decreased efficiency. ​ (d)   , traffic congestion contributes to environmental and health problems. Vehicles stuck in traffic emit large amounts of exhaust fumes, ​ (e)   worsening air pollution and increasing the risk of respiratory diseases. Over time, these environmental impacts can place a serious burden on public health systems.

In conclusion, traffic congestion is mainly caused by rapid urban population growth and excessive reliance on private vehicles. If this problem is not addressed, it will continue to negatively affect urban residents’ well-being, productivity, and the environment.