Answer:
Geological, chemical, paleontological.
Explanation:
Geological evidence for ice ages comes in various forms, including rock scouring and scratching, glacial moraines, drumlins, valley cutting, and the deposition of till or tillites and glacial erratics.
Successive glaciations tend to distort and erase the geological evidence, making it difficult to interpret.
It took some time for the current theory to be worked out.
There have been at least four major ice ages in the Earth's past.
Paleontological by their bones, remains
Bacteria is not as complex as human and other animal lives, which means they need less energy and DNA to evolve in these ways.
Answer:
Rocks, oxygen, soil, mud, dirt, air, rain, snow, sunlight, temperature, water, air, wind, rocks, and soil.
A non-living system would be a machine, such as an electrical system, air conditioning, etc. and a living system would be an animal, person, plant, etc.