Plants and animals have highly organized systems. Which of these shows the level of complexity, from simplest to most complex? (A)organism - organs - organ systems

(B)organs - organism - organ systems

(C)organs - organ systems - organism

(D)organ systems - organism - organs

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.

0.88m hope i am correct : )

d : a person who learns about the world by observing it. no that is not a smiley face

explanation: