A: When light reaches the rods and cones in the retina at the back of the eyeball, a series of complex chemical reactions takes place, forming the chemical rhodopsin that converts the light into electrical impulses, according to the Vision for Tomorrow Foundation. The electrical impulses travel to the optic nerve.
To vote in a Canadian federal election you must be: 1  A Canadian citizen (Temporary and permanent residents cannot vote); 2  18 years old or older on election day; 3  Residents in the electoral district; and. 4  Registered on the Voters List (also called the list of electors).he National Register of Electors is a database of Canadians who are qualified to vote. A few weeks before the election, Elections Canada will send you a Voter Information Card if your name is on the voters lists.
An electoral district, precinct, election district, or legislative district, called a voting district by the US Census is a territorial subdivision for electing members to a legislative body. Generally, only voters who reside within the district are permitted to vote in an election held there. From a single district, a single member or multiple members might be chosen. Members might be chosen by a first-past-the-post system or a proportional representative system, or another voting method entire