______________ consist of metal ions covalently bonded with oxygen

All carbohydrates

Identify the structure indicated by red arrow in the image below. 

Refer to the figure.            How should the indicated parts of the diagram be labeled?

The process of turning sediment into sedimentary rock, including deposition, compaction, and cementation is known as

The source of a river is known as the

All of the following are derived from the internal iliac artery, except:

A _________ is a large crystal within an igneous rock

The upper mantle is the region known as the

Which statement can be used as evidence for the endosymbiosis theory?