Ch:06 + 60, 6CO2 + 6H2O
The "law of conservation of mass" states that matter cannot be created or destroyed but rather can change form,
either physically or chemically. In the equation above, there are equal amounts of atoms on either side of the
equation. Glucose and oxygen have been changed to carbon dioxide and water.
Using the information above, choose the one that is true

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.