Select the correct answer.
which question is testable?
a.
how does changing the amount of water affect the growth of corn?
b.
is it ethical to use human tissue removed during surgery for scientific research?
c.
are you happy with your new job?
d.
will people be disappointed if car insurance rates increase?

A.  How does changing the amount of water affect the growth of corn?

Explanation:

To test this question, all you have to do is buy corn, and keep them all in the same area with the same amount of sunlight, temperature, etc, and only change the amount of water each plant gets.

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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.