My bestfriend want a boy

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

What question can you ask yourself to you figure out if you have accomplished your purpose for reading

Which of the following statement is true a.wast isn't a problem in reaching group goals. b.sacrifice isn't necessary to achieve group goals. c.individual productivity is necessary for group productivity.d.individual productivity is more important than group productivity.