Help it’s easy! Which is one of the five main characteristics of a
civilization?
A. Specialized workers
B. Hunting and gathering
C. Fire
D. Tools

At the complete end of cellular respiration, how many molecules of atp are produced?               a.  15    b.  26    c.  38    d.  34 

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

Drag each label to the correct location on the chart. match the function to the type of tissue