If a true-breeding twelve inch plant (this means when self-crossed the offspring are always 12 inches) is crossed with a true-breeding six inch plant and all of the f1 plants are nine inches tall, this is most likely a situation of?

Arafura file snakes are large, aquatic, non-venomous snakes found in the flood-plains of australian rivers. they feed only on fish found in the rivers. it has been observed that heavy rainfall in the wet season in one year leads to prolonged inundation of the floodplains lasting a year or longer. it has also been observed that these snakes remain in good physical condition after a flood. explain how the file snake population in a region is likely to be affected by the prolonged inundation of a flood-plain.

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Are salt and soap nutrients or toxins for yeast? explain.