Which of the following are correct significance of mineral signatures in the context of detecting extraterrestrial life?

1. Mineral diversity on rocky exoplanets reflects the biological evolution of life.

2. Minerals like apatite, created by biological processes, can serve as indicators of past or present life.

3. Zircon crystals provide evidence of planetary processes prior to the emergence of life.

4. Mineral signatures help identify the atmospheric composition and potential solvents for life.

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