Why can't scientists use carbon-14 to determine the age of an igneous rock? it will alot i only got   minutes

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

This is the interaction of two organisms where one is and the other is neither nor harmed.