C, because it should be recycled
Answer:
It is difficult to obtain a final conclusion with this information, but it is possible that the sample doesn't contain living organisms whose genetic material is composed of DNA. Another possible reason for this result is that the DNA extraction protocol used in the experiment is not suitable for this sample.
Yes, They all are! They all can be the start of something.
Answer:
I use plastic straws, cutlery, toys, cups and more
Explanation:
<span>The
availability of nutrients; solar energy is available year-round, but
nutrients are trapped in deeper waters because the permanent thermocline
prevents mixing between surface water and deeper water</span>
