Elliott grows a sunflower in his greenhouse, and he records the daily growth in mass. The sunflower seems to grow out of nothing, contrary to the Law of Conservation of Mass. However, he forgets that matter can enter and escape plants. What is the sunflower an example of? A. a reactant
B. a closed system
C. an open system
D. a product

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds? first generation y y y yy yy y yy yy second generation y y y yy yy y yy yy there is a % chance that the offspring will have green seeds.