Answer:The way that I have created my design is that I used a piece of paper to design my structure. On the outer layer I drew the shape of it also use a ruler when designing you structure. The I made the cooling insert that makes the ice stay a solid so it does not turn into a liquid.
Explanation: https://learning.k12.com/d2l/le/1628297/discussions/posts/12041241/ViewAttachment?fileId=54974602
C. Mammary gland. Hope this helps!
The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
The correct answer is C. :)))))