Which event resulted in developing countries being able to produce higher-yielding, disease and insect resistance varieties of small grain
a) agriculture revolution
b) great depression
c) green revolution
d) iron age

The following event resulted in developing countries being able to produce higher-yielding, disease and insect resistance varieties of small grain:

c) green revolution

The “Green Revolution” was an agriculture focused research and technology initiative that took place from the 1950’s into the 1960’s.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.