The answer is B. They all have backbones. They can all do many tasks and their backbone allows them to do so. All mammals have backbones. Although an alligator is a reptile it still has a backbone
Answer:
Explanation:
In heterogeneous mixtures, two or more ingredients (or phases, regions with uniform composition and properties) intermingle, but remain physically separate. Often it is possible to separate the original ingredients by physical means, such as filtering.
The proton will move towards the object, since protons are positively charged.
The density of the liquid is 1.027g/cm³
D=M/V
D=46.83/45.6
D=1.027g/cm³
