Air pollution is when unwanted chemicals and poisonous substances are added to air, making it harmful to most organisms such as humans, plants, animals, etc... and even the atmosphere.
By different human activities, we add a lot
of smoke and dust into the air.
The biggest cause of air pollution is the use of fossil fuels.
These are mainly coal, petrol/diesel, and natural gas.
For example, if you have been in the car before and are stuck in traffic,
you will see fumes coming out of many vehicles.
These fumes are poisonous gasses that make the air polluted.
Answer:
A family is a set of people who care for each other, help or support families emotionally, and people whom you can rely on.
Family composition is a group of people who make up a family, the number of members, the people's age, and the relationship between everyone. The family composition can also be the role of family structure, union formation and marital quality on various health‐related outcomes.
The correct answer is random selection.
Random selection refers to a process in which a sample or group of participants for a research study are randomly drawn from the entire population the researcher has access to. The main strength of using a random sample for a research study is that biases are avoided and the findings obtained are more representative of the population as a whole.
Khoisan because Which of the following groups was NOT one of Southern Africa’s early settlers? Khoisan Issa Shona Bantu
Answer:
The answer- Marriage and education
Explanation:
Marriage and Education are the two most significant anchoring devices that insulate a person from a life of crime and imprisonment. This is because if an individual is well educated they will have learned their rights from wrongs and what society demands of them to be good citizens and live a good life. They will also be more equipped to know their rights and not to perform crimes that will send them to prison. Even though some educated people still end up in prison, being educated still helps a lot of people make better choices and not commit crimes. In marriage, spouse can serve as an alibi in cases. under the law marriage has its privilege, such that a spouse is protected from being forced to testify about communications with his or her partner.