Consider an exposure of sedimentary rocks: the top layer is limestone, the middle layer is sandstone, and the bottom layer is shale. which rock in this sequence is likely the youngest?

How is government in the united states like that of ancient athens?

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality. potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

What is the name of this mountain range found in northern africa?