The chemicall composition of glass varies widely from manufacturer to manufacturer. a. true. b. false. forensic soil analysis does not require much extra experience training. a. true. b. false

The glass composition from one manufacturer to another varies widely since glass is composed of many consitutents like sand, clay, water, a number of refractories, feldspar and many more. Hence, with the desired application, the composition must also follow. The answer in 1 is a. true. Forensic soil analysis meanwhile does require must extra experience training since it is a rigorous process. The answer 2 is b.false.

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)