Radioactive dating is a way to determine the age of fossils by comparing the number of stable isotopes to the number of unstable isotopes using known half-life. The only rocks that can be radiometrically dated would be the igneous rocks.
The answer would be letter C.
The Great Wall of China........................
That's a simple part of evolution. Humans are built to adapt.
If we go in the frozen tundra, we make coats and other cold-blocking clothes. We find nearby food, like fish. Over time, our differences become more distinct from the rest, and we become less vulnerable to the cold.
Hope this helps! :)
They come late - without any notification, usually not nice. they delay, or corruption.
