Answer:
For the first one, I think new species are created through "Natural Selection"
Scientists used case studies to help them determine that the right side of the body was connected to the left of the brain and vice versa. A case study is a process or record of research into the development of a particular person, group or situation of a given period of time.
Answer:
Intermolecular forces. Water is a dipole and acts like a magnet, with the oxygen end having a negative charge and the hydrogen end having a positive charge. These charged ends can attract other water molecules.
Explanation:
Hope I helped
