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An Ecologist is a scientist who studies ecosystems.
Almost all rocks made of minerals, but different rocks contain different mixtures of minerals.
Mainly, a geologist.
gemstone
crystallographer
paleontology
A mineralogist studies minerals.
A geochronologist is a scientist who researches the age of rocks. Geochronology is a specialised form of geology.
A physicist researches the very basics of energy and matter.
Robert brown
Scientist consider hypothesis to be an educated guess on what they are studying. If that scientist researches and experiments more, he will see if his hypothesis is true or false.
wew
Earth
A physicist.
meteorologist
This is because of the NEEDS of human as the society grows big and more developed...
there were all the minerals in the world besides the ones that scientist have created