Cell junctions that prevent small molecules from passing in between two cells are called.

The and the gall bladder work together to produce, store, and use bile to digest a) liver; fats b) stomach; fats c) appendix; food. d) pancreas; sugars

Explain how you might determine the rate of weathering on a sample rock

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use