Bacterial infections were much harder to treat a long time ago because we didn't have the same technology or information that we do now. because we have worked so long on treating different things we have learned what works and what doesnt. the new technology has helped us understand the infection which led to us being able to find medication to treat said infection.
Answer:
I'd say it is C. They are all different forms that magma takes after a volcanic eruption
Explanation:
Magma is the liquid form of lava and ash and cinder come form the burning of matter. Hope this helps.
The data has to be verifiable by the scientific community.
Cleavage.
Color.
Fluorescent Minerals.
Hardness.
Luster.
Miscellaneous Properties.
Specific Gravity.
Streak.