Answer:
<h2>C. To date rock layers</h2>
Explanation:
<em>They can help determine the relative age of rock layers</em>.
No map can accurately and proportionally represent every country’s size in proportion to another. For example, most maps the USA shows Texas as the largest states, but on a globe, Alaska is by far bigger. Hope this helps!
Positron Emission Tomography scan of the brain of cocaine addicts showed that the drug affects how the brain use glucose. Cocaine users' brain cannot use glucose efficiently and there are also reduced metabolic activity in other areas of the brain.
