Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
Answer:
A mountain resort begins running chairlifts for mountain bikers and hikers during the summer. The resort was initially built for skiing during the winter months.
Explanation:
Economies of scope -
It is the situation where the marginal cost and the long - run average of a company , economy or organization reduces , because of the production of some complementary services and goods .
It means that the production of one good decreases the cost of another good .
Hence , The example of economic scope is first options .
Answer:
they believe online interaction can enhance face-to-face interaction especially if one is looking up information relevant to the conversation
Explanation:
In face to face communication there is both verbal and non verbal communication where is bodily and facial gestures depics degree of involvement while in online communication there is only written communication hence here information exchange is of prime importance hence in online information if degree of information exchange is high then what other person is doing is of least concern.