Answer:
Scientists can distinguish more than 4,000 different minerals but many are very rare. About 200 minerals make up the bulk of most rocks. The feldspar mineral family is the most abundant. Quartz, calcite, and clay minerals are also common.
Explanation:
Here's what i found hope it helps
Most likely A from my point of view
Rodent like teeth, leg structure, better eyes
Answer: Phytoplankton & Cyanobacteria
Explanation: They produce their own food
