Explanation:
An apple pie is a mixture whereas lead iodide is a compound. To processes leading to the formation of a mixture and a compound are completely different.
- A compound is a substance composed of two or more kinds of atoms that are joined together to form a definite matter.
- The properties of the compound formed differs from that of the constituent atoms.
- A mixture on the other hand is made up of indefinite compositions.
- In the case of the apple pie, the parts are not homogeneous in nature.
To produce lead iodide, chemical reactions must take place between atoms.
In the case of the pie, chemical and physical changes can take place.
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Conduction is heat tranfer through physical contact. Hope this helps. :)
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
It is most likely A since gas particles do not have a fixed volume.
Answer:
D. All of the above are true