There is more than one solution. For example we could take:
and
Then:
Is this the whole question??
You can find a unit rate
by turning the ratio into a fraction and divide
Like $4 in 2 months and thats 4/2
Its $2 every month
Idk if this helps :P
Answer:
C. Rocks.
Step-by-step explanation:
A geologist usually studies rocks.
His studies are of the Earth, the composition of the rocks of the Earth and how they were formed.