Get personalized answers to your specific questions with IDNLearn.com. Discover thorough and trustworthy answers from our community of knowledgeable professionals, tailored to meet your specific needs.

Which of the following pairs of substances can be broken down chemically? 
a. Ammonia and iron 
b. Helium and argon 
c. Methane and water
d. Potassium and lithium
e. Water and carbon