crystalline silica is a common substance that is the main component of sand, quartz and granite rock. long term exposure to this substance has been known to cause silicosis.

Other questions in category

• Why is China's manufacturing likely to remain in coastal areas rather than moving inland where salar...
• by what process do sediments become well sorted, and by what process do sediments become poorly sort...
• 1 international relations, foreign Ploricy Objectives behaviors, and dimensions) in German...
• Which of the following activities does NOT reflect local indigenous culture?...
• Which of the following statements about the history of Judaism is false?...
• City data on Lindsborg, Kansas revealed that only 15% of its population is Swedish. Yet the town is ...
• what are the changes in vegetation that you would expect to see as you hike down into the grand cany...
• Given that the top of this paper is north, what is the wind direction represented by this arrow?...
• TWO (2) reasons why renewable energy is important​
• Why globalization has a more negative impact on the world?