Why is an investigation of population characteristics a useful tool for predicting the future?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Which is not part of the definition of a family? two or more related people living together being married or in a partnership a single person living alone choices a and b

Which phrase describes the time it takes for a planet to make a complete rotation