The correct option is C,
<span> bacteriophages</span>
This answer is C Macronutrient
<span>The ecosystem has land but with high sea levels</span>
Answer:
Either (1.) Fossils or (2) Radiometric dating.
Explanation:
Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.