Other questions in this quiz

2. CO2 is mostly caused by

  • combustion
  • oceans
  • dead organism releasing respiration
  • trees

3. limestone is also know as.....

  • calcium sulphate
  • sodium chlorine
  • calcium carbonate ( solid)
  • calcium chlorine

4. hcl is a ph of?

  • ph7
  • ph 2
  • ph14
  • ph 8

5. one gas volcanoes produced was

  • chlorine
  • caron
  • nirtogen
  • hydorgen

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