Answer:
D.) When the dense, positive alpha particle passes close to a positive nucleus of gold, the alpha particle repels and hits the screen at point X.
Explanation:
The purple circular structures are the nucleus.
the elements that typically take electrons are generally found in the right, upper portion of the periodic table and include fluorine, oxygen and nitrogen.
hope this helps:)
I think that the bright light would be the "stimulus" and the pupil constricting would be the "response".