The research party began by exploring the embryonic development of whales' cousins, the dolphins. These creatures are intriguing because, for a brief time during development, they sprout hind limbs . That's why dolphins lose their 'legs'.” In whales, however, the story is more complex.
The child has inherited both the traits from his parents.
Water is the compound. Iodine and calcium are elements, and air is a mixture
The hypothesis is the question you are trying to answer or the problem you need to figure out, it is kind of like a starting point
