1. 1)T or F: Coal balls and coal are made of similar minerals. (1 pt) 2)Material in coal balls is preserved though _____________, which means that pores in the original organic material were filled with precipitated minerals. (2 pts)

2. 3) What type of material is least likely to be found in a coal ball? (2 pts) A) Spores B) Lignified secondary vascular tissue C) Whole leaves D) Pollen grains 4) What sort of environment did the coal-ball-forming plants probably live in? (2 pts)

3. 5) This is a root cross section. Do you think that the living root originally this shape? Why or why not? (3 pts)