The correct choices are a and d
If Mia had 5 dogs then bought 2 that would be 7 then subtract 3 so 4.
That would be D my supreme gentleman. Have a good one.
Answer:
these dead organic materials such as zooplankton and algae built up on the bottom of lakes and oceans in conditions where they couldn't decompose. The organic matter then changed into kerogen, which eventually turned into oil through heat and pressure.
Explanation:
Col. Edwin Drake
