What's the intermolecular force for n— — cl

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

Ihat will happen if i added baking soda to vinegar

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh