The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups? a. according to the type of minerals present in the rock b. according to how many times they have been through the rock cycle c. according to the method of their formation d. according to the amount of weathering they have endured rese

Hello,

Here is your

The proper answer to this question is option C "According to the method of their formation".

Here is how:

Scientist's figure out what type it is due to the method they use to figure out what type of rock it is.

Your answer is C.

If you need anymore help feel free to ask me!

Hope this helps! 

ijebejehejeuo

This is what i found “in a gas turbine engine, the combustor or combustion chamber is fed high pressure air by the compression system. early gas turbine engines used a single chamber known as a can type combustor. today three main configurations exist: can, annular and cannular (also referred to as can-annular tubo-annular).” i hope this you for what your looking for. can you plz mark me brainliest?