What did the Ancient Greek and Romans use to magnify objects?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

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.

2points what do bacteria have in common with the cells of other living organisms?