Which would most likely be joined by an ionic bond?
a) a positive metal ion and a positive nonmetal ion
b) a positive metal ion and a negative nonmetal ion
c) a negative metal ion and a positive nonmetal ion
d) a negative metal ion and a negative nonmetal ion

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table