Select all the correct answers.
what contributions did aristotle make during the hellenistic era?
1 he was the director of the library in alexandria.
2 he said that reason was the key to learning.
3 he promoted the use of questions to students learn.
4 he estimated earth’s circumference using geometry.
5 he classified the names of many animals.
for 15 points

1. he was the director of the library in alexandria.  

3. he estimated earth’s circumference using geometry

explanation:

1. he was the director of the library in alexandria.  

3. he estimated earth’s circumference using geometry

explanation:

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.