Answer: Rosalind Franklin discovered the density of DNA and, more importantly, established that the molecule existed in a helical conformation. Her work to make clearer X-ray patterns of DNA molecules laid the foundation for James Watson and Francis Crick's suggestion that DNA is a double-helix polymer in 1953.
Explanation:
Energy is being transferred from one level to another
(please man can you give me brainly. i need one more lol)
"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
Answer:
Explanation:
The density of a liquid determine if it will float or will in another liquid. It will float if it is more dense than the liquid it is placed in
A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
