Answer The definitions are matched according to the terminology given below.
Ribosome This organelle is the site of polypeptide assembly. This two part organelle is found in endoplasmic reticulum.
Lysosome The cellular digestion and disposal of biological molecules occur inside this organelle. Mitochondrion Aerobic respiration occur in this organelle.
Endoplasmic reticulum This generally play role in cell defence.
They would use a microscope to test it out.
Answer: D. Iron rusts
Explanation: Rust is made from different chemicals in the air that come in contact with said metal. That could be acidic rain for example. Water freezing is only changing temperature. Sugar dissolving is breaking down molecules. Salt and pepper mixed in a dish is a physical change (also that's just plain evil to some people but that isn't the point). Your answer will be D. Iron rusts.
Hope this helps!
