Answer: Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks.
Explanation:
Answer:
27%
Explanation:
provisions of the Voting Rights Act of 1965 since the Act's last Outside of lawsuits, other VRA enforcement tools have also been limited, black voter turnout in many elections exceeded 90 percent.27 Legislation known as Jim Crow laws separated people of color from whites in Town of Cicero, 2000.
Images are focused by the lens onto the retina which is a face at the back of the eye upon which light sensitive cells (rods and cones) convert the incident light into electrical signals that are transmitted to the brain.
The fovea is a pit directly behind the lens on the retina that contains a concentration of light sensitive, closely packed cones (colour sensitive cells) and is responsible for sharp central vision.