Answer:
Physical activity or exercise can improve your health and reduce they risk of developing several diseases like type 2 diabetes, cancer and cardiovascular disease.
Explanation:
Exercise can have immediate and long-term health benefits. Most importantly, regular activity can improve your quality of life.
Answer:
I would say Option B
Explanation:
A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.
Answer:
Market failure occurs when there is a state of disequilibrium in the market due to market distortion. It takes place when the quantity of goods or services supplied is not equal to the quantity of goods or services demanded. Some of the distortions that may affect the free market may include monopoly power.
Answer:
Small intestine
Explanation:
Around eighty percent of usable nutrients are absorbed in the small intestine.
The main area of gastrointestinal tract responsible for absorption is small intestine. It consists of three sections, i.e. the duodenum, jejunum and ileum. In duodenum, jejunum majority of nutrients are absorbed.
The duodenum absorbs carbohydrates, proteins, and starches that are in the form of glucose or proteins are absorbed in the jejunum.