Identify the absolute configuration of the centers of chirality in each of the following compounds as R or S. If two centers of chirality are present, indicate the configurations as: RR, SS, RS, or SR. ___ ___

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

Gravitational potential energy is related to