I think it’s B? but i’m not sure.
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>
A nucleic acid that carries the genetic information in cells and some viruses,
consisting of two long chains of nucleotides twisted into a double helix and
joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine.
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
