Answer:

1. Street food such as kwek-kwek, street chicken, street-cook fries, and many more are considered as unhealthy food to eat because of the pollution it takes from the environment. It is named as street food because it is cook and displayed on the street where as cars and other vehicles are passing by giving some, some are dark which is very bad to the health for it is polluted. And street food have also high quantities of carbohydrates. It is also seen by the crowd how they prepare the products in an untidy manner.

2. Long-term exposure to polluted air can have permanent health effects such as: Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer.

3. Using soap to wash hands is more effective than using water alone because the surfactants in soap lift soil and microbes from skin, and people tend to scrub hands more thoroughly when using soap, which further removes germs.

4. Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting. Poor sanitation reduces human well-being, social and economic development due to impacts such as anxiety, risk of sexual assault, and lost educational opportunities. Environmental impacts of poor sanitation and waste management at a local level include pollution of land and watercourses, the visual impact of litter, and bad odours.

ANSWER:

1.Street foods are unhealthy because:

Street foods can cause the emergence of foodborne diseases, due to the ease of contamination by pathogenic and non-pathogenic microorganisms, and the development of chronic non-communicable diseases, since the street foods usually have high quantities of carbohydrates and fats.

2.Polluted air is dangerous because:

The health effects of air pollution are serious – one third of deaths from stroke, lung cancer and heart disease are due to air pollution. ... Microscopic pollutants in the air can slip past our body's defences, penetrating deep into our respiratory and circulatory system, damaging our lungs, heart and brain.

3.

Handwashing helps prevent spread of infectious diseases

A number of infectious diseases can be spread from one person to another by contaminated hands. ... Washing your hands properly with soap and water can help prevent the spread of the germs (like bacteria and viruses) that cause these diseases.

4.

Environmental pollutants can cause health problems like respiratory diseases, heart disease, and some types of cancer. People with low incomes are more likely to live in polluted areas and have unsafe drinking water. And children and pregnant women are at higher risk of health problems related to pollution