Compare and contrast how observations and results can be used to support a conclusion to an experiment.

Observations and result can be used to support a conclusion to an experiment, has before you conduct it you have a hypothesis. The results and observations as result of the experiment can be used to justify your hypothesis.

Elements are the simplest form of a substances. It cannot be further formed into simpler forms. It is like the basic unit of substances. On the other hand, heterogeneous mixtures are systems with two or more substances in it which are mixed but not combined chemically and do not have uniform properties through it.