It is the Continental Crust.
Answer:
The correct answer is spinal cord.
Explanation:
A reflex action is an instantaneous response movement caused due to stimulus. This is an involuntary action which is controlled by the neurons of the spinal cord through a pathway called reflex arc.
Smog
Smog refers to brownish hazy air formed as
a result of the mixture of various gases such as hydrocarbons, nitrogen oxides
and other small particulate matter chemically in the presence of sunlight. Smog
is an air pollutant that makes breathing difficult for humans.
