Answer:
a
Explanation:
Fossil fuels are considered non renewable because they take millions of years to form but depleted faster than they are formed.
Answer:
The Rf values indicate how soluble the particular pigment is in the solvent by how high the pigment moves on the paper.
Explanation:
The Rf values indicate how soluble the particular pigment is in the solvent by how high the pigment moves on the paper. Small Rf values tend to indicate larger, less soluble pigments while the highly soluble pigments have an Rf value near to one.
Answer:
carbon and titanium, hope that helps
Explanation:
