Rosalind Franklin’s photographs of the X-ray diffraction pattern of DNA provided important clues about the structure of the DNA
molecule. What was revealed by the photograph that enabled Watson and Crick to build their model of the DNA molecule? Select all that apply. A. The nitrogenous bases form the backbone on the outside of each DNA strand. B. The DNA strands are twisted around each other. C. There are two strands in the DNA molecule. D. The nitrogenous bases are near the center of the DNA molecule.
Extra carbon dioxide in the atmosphere will increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally. That increases the Earth's temperature which is also called Global Warming
