Which of the following is NOT an essential component of an issue analysis essay? 

The percentage of a material’s total volume that is pore space, or gaps between particles, is the material’s:

Mass extinctions at the end of the Ordovician occurred because of ____.

The Late Paleozoic (416 – 251 million years ago) consists of three periods. From oldest to youngest, they are: 

Which supercontinent began forming during the Late Paleozoic?

The supercontinent Pannotia formed during the Paleozoic.

Planning is the examination of the future and preparation of action strategies to attain goals of the department or healthcare organization. 

The third mass extinction in the geologic record, which proved to be the most devastating to life on Earth, occurred at the end of the ____.

The Carboniferous coal deposits of North America probably were derived from plants that grew in desert climates.

The Carboniferous period can be subdivided into two periods in North America: the Pennsylvanian and Mississippian periods.