One method I know of is comparing a sample of the rock to other samples which the scientist already knows the age of. I forgot what this method is called but I know it's used by lazy scientists that use other scientist findings like the age of a rock to compare to their own work
photosynthesis
hope that helped XD
thx for listening to my opinion hope to be friends!
Answer:
B. A chemical reaction transforms thermal energy into chemical energy
Explanation:
I hope it helps <3
I believe the answer is tertiary
