The opportunity cost is the value of the next best alternative foregone. Every decision necessarily means giving up other options, which all have a value. The opportunity cost is the value one could have derived from using the same resources another way, though this is not always easily quantifiable.
The answer is Answer 2. The water molecule is usually changing from liquid to gas.
The answers in order would be B, A, and B. Hope this helps!
The correct answer is Bangladesh, formerly known as East Pakistan.
After the Partition of India, two countries were created: India and Pakistan. The later was composed of the areas with a Muslim majority, but geographically it had two parts, which lied far away from each other and had no land connection: West and East Pakistan. the Indo-Pakistan war concerned the split of the two parts into independent countries.
