1. In what type of rocks would geologists most likely find evidence of past life forms? -igneous rocks
2. The physical, chemical and biological laws that opeate today have also operated in geologic past. This statement relates to the principle of -cross-cutting relationships
3. In general, the law of superstition states that in an underformed sequence of sedimentary rocks, each layer is -older than the one below it
4. If a layers of sandstone is in contact with a mass of granite that contains small pieces of the sandstone, which rock is older? -It is not possible to determine which rock is older from this information
