Which of the following is an object used in relative dating A-Carbon 14
B-Daughter Isotope
C-Index Fossil
D-Parent Isotope

i know for sure it’s not A

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

In which layer do organisms on earth love?

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.