Hi Shaw, thanks for posting a question here!
The index is a name <span>given to fossils that are widespread geographically, are abundant in number, and are limited to a short span of time.
Answer: Index </span>✅ <span>
</span>Hope that helps! ★ If you have
further questions about this question or need more help, feel free to comment
below or post another question and send the link to me. -UnicornFudge aka Qamar
Bacteria<span> are single-celled, </span>prokaryotic<span> microorganisms that exist in abundance in both living hosts and in all areas of the planet.
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Mineral is made up of usable amounts of metallic elements