Hello,
The answer is option D "<span>natural science technician".
Reason:
A natural science technician studies in natural resources for example: water or ground water.
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit</span>
<span>The crust and the upper layer of the mantle together make up a zone of rigid, brittle rock called the lithosphere. </span>
<span>I think its made of food oxidation.</span>
