Answer: I think its air pollution and Global warming
Explanation:
Answer:
A principle of law stating that within a sequence of undisturbed sedimentary rocks, that the oldest layers are on the bottom and the youngest are on the top. rock layers have a unique set of fossil animal and plant remains which can be used to determine the relative ages of rock layers.
Explanation:
It's D ;) because uhm it's just D okay
Bacteria has cytoplasm and ribosomes which are common with all cells and other living organisms
