Answer:
It’s the first one, humans
Answer: It refers to the decline in travel time between geographical locations as a result of transportation, communication, and related technological and social innovations.
Explanation:
Answer:
Wearing a mask and social distancing, there is nothing else I could fins and he says "even people vaccinated will wear a mask".
He explains that since they track people it is easier to stop the spread
Answer:
choosing one cereal over another and losing the chance to buy the other
Explanation:
Opportunity cost is the choice sacrificed for another alternative.
Our wants according to economics are unlimited. The resources to meet these unlimited wants are also scare. Production is limited by availability of resources.
Due to limited resources, we have to choose more important needs over the other. Often times, a scale of preference is drawn for our wants.
The cost of choosing one particular commodity over another is called the opportunity cost.
