Question

iii) When an iron spade is left lying in a moist atmosphere, then it-
a) develops a brown layer of iron oxide.
b) develops a green layer of iron oxide.
c) develops a brown layer. of oxygen.
d) does not undergo any change.​

Answer 1

Answer:

option c

Explanation:

develops a brown layer of oxyzen

Answer 2

Answer:

yeast budding..............