Much of the general structure and physical properties of the interior of the earth are inferred from: a) deep oil and gas bore holes b) geologic investigations c) analysis of seismic waves d) study of volcanoes

I'm 100% sure its C hope this helps

c

Explanation:

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this