Answer:
here is your answer
Explanation:
scientific study
In a scientific study, a control group is used to establish a cause-and-effect relationship by isolating the effect of an independent variable. Researchers change the independent variable in the treatment group and keep it constant in the control group. Then they compare the results of these groups.
Answer:
Explanation:
The main ways individuals contribute to land pollution:
Use of single-use plastics.
Irresponsible consumer behavior: purchasing large numbers of clothes, packaging, etc. which ends up in the landfills.
Use of chemicals (pesticides and fertilizers) in farming.
Agricultural activities.
Answer:
<h3>To improve quality of life.</h3>
Explanation:
We humans as social humans are always engaged in some kind of activity that keeps us occupied and involved all the time. Be it earning money, reputation, recognition, respect, or happiness, every single individual engages in their own aspirations.
Between gaining power and improving the quality of life, the more important reason to be engaged in life's activity should be to improve the quality of life.
Power is transitional, no can stay in power forever. However, a good quality of life is a standard of living where individuals can lead healthy and comfortable lives without any external competition.
In other words, it is a simple yet fulfilled lifestyle while living a life to gain power is uncertain, harsh and competitive.
Answer:
There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior.
