Current scientific knowledge indicates that the most likely origin of most of Earth's oceans was due to ________.
A) comets from outer space
B) release of liquid water from the core
C) water vapor released from volcanic outgassing
D) water-bearing minerals found in meteorites
Question 2
Sediments produced because of chemical reactions in seawater are called ________.
A) cosmogenous
B) biogenous
C) hydrogenous
D) lithogenous
E) volcanogenic