I'm not sure about number 1 or number 6, but I know that 3 is nucleic acid and 5 is solution.
the broken rock layers of mostly solid rock is true
A is the correct answer because paleomagnetism is the record of Earth's strength and direction in it's magnetic field. It helps us in the knowledge of evolution.
good luck!!
Brainliest if i was helpful
Each mouse in the study has brown ears.
