14) The most stable conformation of 3-bromo-2-methylpentane, viewed through the C-2—C-3 bond (i. e., C-2 in the front, C-3 in the back):
H
H
Br
H
CH3
H.
Br
Br
CH
CH2CH3
CH3
CH3
H3C
CH3
I
CH3
Br
CH2CH3
II
H
CH(CH3)2
III
CH3
H
Br
A
H
CH3
H
H
IV
CH3
CH2CH3
V
a) I
b) II
c) III
d) IV
e) V
15 TL

i'm pretty sure it is letter c.) car

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

girl imma just put my comment here because i need a couple point okurrttt