Afold where the youngest rock layer is in the center is called a(n)

monocline
decline
syncline
anticline

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Explain how scientists use geologic time to determine the age of landforms.

All ova contain sex chromosomes corresponding to: x y xx xy