It is to dilate the pupil, that the reason why mydriatic drops
are given to the patient before examination.
A slit lamp examination includes
viewing the lens and anterior chamber, in bright light the muscle of the iris
contract, reducing the size of the pupil in order to keep more light from going
inside the eye the process is called miosis.
A is the answer
The two reactive elements that you should remember are Flourine (F) and Francium (Fr), and only F is first for one answer.
The answer is A. The vascular system, filled with vascular tissue, are the crucial conduits through which water and nutrients flow through plants. Without them plants are limited to being a few inches (centimeters) tall. Leaves that get sunlight have nothing to do with a plants height.