It takes Jasmine seven minutes to sweep a porch. Amy can sweep the same porch in
nine minutes. How long would it take them
if they worked together?

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.

Suggest two reasons why irrigation is important for human development of the desert

What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location