What did Watson and Crick’s model of DNA show? sugars and phosphates on the inside

nitrogenous bases on the outside

a single nucleotide strand twisted in a spiral

two nucleotide strands wound in a double helix

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?