Most commercial fertilisers use phosphate rock, naturally occurring sedimentary layers that originated millions of years ago, as their source of phosphorus, which is surface mined. The phosphorus fertiliser must go through several chemical steps before plants can use it.
The name for this type of scientist is a teuthologist
A scientist who studies animal life is a zoologist. There is no particular name for a scientist that specialises in platypuses.
The type of scientist that studies the environment is an enviromentologist.
what scientist studies hydrogen and oxygen
A botanist.
An Entomologist
A zoologist.
Sedimentologist.
paleontologist
Meteorologists
a mineralogist
Cosmologist