Our calendar has leap years because

A) there is one more sidereal day in a year than solar days.
B) a tropical year is slightly more than 365 days.
C) there is a difference between a sidereal year and a tropical year.
D) the perihelion of Earth's orbit is slowly advancing.


B

Physics & Space Science

You might also like to view...

Compared to the mass of a proton, the mass of an electron is

A) very much less. B) identical. C) greater.

Physics & Space Science

Two different gases may have the same emission line spectrum

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

The difference between a camera and the human eye is that a camera utilizes a fixed focal length lens and the eye does not

Indicate whether the statement is true or false

Physics & Space Science

Use the Gibbs phase rule

Physics & Space Science