A b c or d one of them have to be right
Abraham was 100 years old and Sarah was 90 years old.
The sun should be approx. 4.5 billion years old
<u>Answer:</u>
For those people watching football games from their home without spending money on tickets, football for them is nonrival and nonexcludable.
Option: (D)
<u>Explanation:</u>
- Non rival means the consumption of service by consumer without avoiding others to use it.
- Like the football match watching from balcony they are not preventing any other users from watching it.
- Similarly nonexcludable also means the goods or service which cannot be excluded to the people by the use of one consumer, as in case of the match viewer from balcony.
Answer:Making a Theoretical Generalization.
Explanation:Theoretical Generalization refers to when someone has carried out a study and the concept that they dealt with from that study can also be used to further develop a theory . Valerie did a research and from the concepts of her research she was able to formulate a broader theory.