Review the graphs carefully. based on the information in figures 2.5 and 2.6, explain the relationships between led irradiance and carbon dioxide concentration over time for a chamber containing a water hyacinth. use the evidence from the graphs and your knowledge of science to support your answer. figure 2.5 shows the light intensity (led irradiance) over time for a chamber containing a water hyacinth. figure 2.6 shows the change in carbon dioxide concentration over time for a chamber containing a water hyacinth.

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.

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Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons