PLS HELP ME. Its due soon Sometimes more than one system is grouped as one. What is a direct result of this?

The boundary increases
The components increase
The boundary increases as well as the components

Which of the following is an oxidation-reduction reaction? (pictured below)

Select all the true statements about the cosmic microwave background radiation

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)