What is the difference between the concat and merge operators when combining Observables?
- Concat combines the latest values from all Observables, while merge combines them sequentially.
- Concat emits values from the first Observable only, while merge emits values from all Observables as they arrive.
- Concat subscribes to Observables sequentially, while merge subscribes to them concurrently.
- Concat waits for all Observables to complete before emitting values, while merge emits them as they arrive.
The main difference is that the concat operator subscribes to Observables sequentially, whereas the merge operator subscribes to them concurrently.
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