To determine which option is not an online learning application, we need to understand the primary purpose of each platform listed:
From the above, it is clear that Coursera, Duolingo, Udemy, and Khan Academy are all directly involved in online learning and education. In contrast, Patreon is primarily a platform for creators to generate revenue from content subscriptions, and it does not directly serve as a platform for online courses or learning materials.
Therefore, the option that is not an online learning application is:
Patreon
Match the following airlines with the countries where they are headquartered.
| Airlines | Countries |
|---|---|
| 1. AirAsia | A. Singapore |
| 2. AZAL | B. South Korea |
| 3. Jeju Air | C. Azerbaijan |
| 4. Indigo | D. India |
| 5. Tigerair | E. Malaysia |