A scientist needs to test a space vehicle, but it is too expensive to build it to full scale so she builds a

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

If a grape were placed in a hypertonic solution what would happen and why?

In which part of the body is a ball-and-socket joint found?