South America has diverse agricultural products, vast mineral wealth, and plentiful freshwater. It also has rich fisheries and ports on three bodies of water.
<span>A depressant must reduce mental activity and decrease physical activity. A depressant acts by interfering with and reducing the levels of activity in neuro-transmitters. This serves to slow down the chemical processes within the brain which consequently lowers the level of mental activity or arousal. The brain also programs the body to reduce the levels of physical activity in a proportionate manner.</span>
D) The Coca-Cola Company donated land to the city of Atlanta.
<span>Slavery is often considered the "cause without which" the Civil War would not</span>
Katherine's opportunity cost of attending the lecture is: the transportation and time cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight.
<u>Explanation</u>:
The opportunity cost is the "cost" lost by not enjoying the benefit associated with the chosen alternative choice. People usually make use of opportunities to make themselves better.
The opportunity cost can be explained as giving up of profit or value to achieve something else. Opportunity cost is the value of giving up the best thing whenever you make a decision. When Katherine decided to attend the lecture of her favorite author, she lost her time, transportation cost and even scored low grade in physics exam as didn’t study on exam night.