I'm pretty sure that its the 3rd answer
Answer:
Internal srtucture adaption
Answer:
42 kg.m/s if the two are moving in the same direction
Explanation:
momentum formula: p=mv
22kg.m/s+20kg.m/s= p
42kg.m/s=p
the momentum of both objects=42 kg.m/s
Layering is the most obvious feature of sedimentary rocks. The layers are piled one on top of the other.
Answer:
Scientists have discovered what they say could be fossils of some of the earliest living organisms on Earth. They are represented by tiny filaments, knobs and tubes in Canadian rocks dated to be up to 4.28 billion years old.
Explanation: