What I think will happen as time goes by and right this second is that the earth is just going to fill and fill and fill with pollution
Stimulus is something that causes a psychological response. It can be internal or external. The stimulus is the contact with the hot pan. It is an external stimulus. Sense organs, such as the sensory receptors in the skin are sensitive to external stimulus. The quickly pull of your hand is a reflex action.
The contact causes a nerve impulse that will travel to the spinal cord via the sensory neurons.<span>To respond to the stimulus of the reflex arc, the muscle needs to contract to pull the hand quickly away from the hot pan.</span>
Geology is the study of the earth and meteorology is the study of the earths atmosphere
Out of the options I would have to say Penetrating Keratoplasty, I am not sure
They live every where
They can effect you and other organisms
They are microscopic
