Plase ! in the early 1900s, an astronomer named a. e. douglass founded the science of dendrochronology. dendrochronology involves examining the rings in a tree’s trunk to determine its age. which of the following best describes another way in which dendrochronology can be applied?   a. it provides information on the organisms that depended on the tree for food and shelter. b. it provides information on how trees in the area were used during the tree’s life.  c. it provides information on environmental conditions.  d. it provides information on the age of the rocks and soil surrounding the tree.

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.