Which statement best describes an example of selective breeding?
A. People control how plants or animals reproduce to get desired
OB. People use enzymes to cut DNA, copy it, and paste pieces of it
O. Viruses deliver new genes to a person's cells to treat a genetic
OD. Living things that do well in an environment pass on their genes to
Answer is A
this is because selective breeding means selecting plants or animals having desired characteristics and let them breed with each other to reproduce an offspring having desired characteristics from both parents.
the answer is 6 valence electrons.
valence is the # of electrons on the outer most shell of an atom.
oxygen has 6.
although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.
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A. People control how plan...