Mindy sees a famous physicist, Dr. Walker, on television. Dr. Walker says that there is no evidence to support the idea that humans are related to other mammals. Which of the following statements is true? A.

Mindy should reject Dr. Walker's statement because another physicist on television disagrees with him.

B.

Mindy should accept Dr. Walker's statement because he is a respected scientist.

C.

Mindy should accept Dr. Walker's statement because it was broadcast on television.

D.

Mindy should question Dr. Walker's statement because biology is not his area of expertise.

Identify the main component f natural gas

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

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.