Question 8 A solution that has a uniform appearance is a,

A. saturated solution
B. heterogeneous solution.
C. unsaturated solution.
D. homogeneous solution.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

the answer would be a