The frequency f of a wave is defined as the inverse of the period T:

The clock in the problem has a waveform with period

. Therefore, its frequency is
An ellipse has two focal points. One of the focal points is the <u><em>Sun</em></u>.
Because they planets move faster when they are around the sun.
Answer:
Mitosis
Explanation:
Mitosis is the process of making new body cells
On July 19th, 1985 Christa McAuliffe was selected as the first teacher to go to space by NASA. Her dream was to be the first teacher to go to space with all her lessons. Her daughter keeps her dream alive today by setting up 40 schools called the McAuliffe Centre.