Which one$/$s of the below statement$/$s is$/$are true for the Ensemble models?

Ensembles can be performed by combining different algorithms.

Ensembles can be performed by combining same algorithms with different parameters.

Ensembles can be performed by combining same algorithms with different feature sets.

Ensembles can be performed by combining same algorithms with different subsets of samples $($bootstraps$).$

All of the options given