Which reason provides the best explanation of why a bar graph was selected to show the data in the table? 1. bar graphs are used to compare separate items. 2.bar graphs are used when data are continuous. 3. bar graphs are not good for categorical data. 4. bar graphs are the easiest to construct and to read.

When does dna replication(make a copy of itself)?

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

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.