The snail would release Carbon Dioxide like humans do.
A. It's purpose was to help us learn about the density of Earth's upper atmosphere.
To obtain oxygen.............
Answer:
The statement is true.
Explanation:
The DNA structure had been studied for years, and there were even some theories, like the three-stranded DNA structure. Nevertheless, until Watson and Crick started to develop the actual structure of the DNA, with the help of Rosalind Franklin's pictures, there wasn't a strong theory that could explain some of the DNA properties.
