'Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types'
igneous
GENERAL SCIENCE: Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types
Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types
Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types
GENERAL SCIENCE
igneous
GENERAL SCIENCE