Which of these is part of the cryosphere? a. pools of magma deep within the earth b. ice formed on the rim of a pond in winter
c. air at the outermost level, extending into outer space
d. bacteria living in sunless depths at the bottom of the sea

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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.