Answer:
petroleum is formed when large quantities of dead organisms, mostly zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure.
Even a large tapeworm cannot be seen with the naked eye and is therefore still within the realm of microbiology
Answer:
Compositional Layers
Layer Depth
Crust 0-100km silicates
Mantle 100-2900km iron and magnesium silicates
Core 2900-6370km metals
Hope this helps!!!
