Subject :NSO Class : Class 7
Read the given differences between X, Y and Z.
Select the correct statement regarding X, Y and Z.
A X is permeable to gases and other substances while Y and Z are impermeable.
B X and Y are permeable to gases and other substances while Z is impermeable.
C X and Z are permeable to gases and other substances while Y is impermeable.
D Y is permeable to gases and other substances while X and Z are impermeable.
PLS SOMEBODY EXPLAIN THE ANSWER
Ans 1:
Class : Class 8