An independent variable is a variable which change is not affected by that of another variable. By process of elimination you can take out B and C. An independent variable can also change so that takes out A. That leaves D.
<span>Birds and dinosaurs show homology because they are closely related, such as pigeon and tendon. They have different types of wings, but birds have evolved from dinosaurs. Unlike other species such as insects, which can be a homoplasy or a homology. This is due to its world and complexity.</span>
The correct answer for the question that is being presented above is this one: "Each piece contains the same number of atoms." The <span>statement that correctly describes these broken pieces of the sample is that each piece contains the same number of atoms.</span>
