It’s true. Because it breaks down as it enters our atmosphere.
It Has To Be Sedimentary Rocks But I Am Not Completely Sure
Answer: Potassium-argon dating
Explanation:
When sedimentary rock go to the bottom of a seafloor it sticks together over time and turns into metamorphic rock. Then metamorphic rock melts and when it cools down it turns into igneous rock. This process happen over and over and its called rock cycle.
many fossils can be preserved in the ice. as well as radiation levels. oxygen levels. carbon dioxide levels. and many more to determine the climate of the past.
