To lower the mercury level, hold the thermometer firmly and give some jerks.
A. iv, ii, i, iii
B. iv, iii, ii, i
C. iii, iv, ii, i
D. ii, iii, iv, i
Answer:C
To lower the mercury level, hold the thermometer firmly and give some jerks.
A. iv, ii, i, iii B. iv, iii, ii, i C. iii, iv, ii, i D. ii, iii, iv, i