The Earth reversed its magnetic field about how many years ago?

A) 700
B) 700,000
C) 11
D) 7000
E) 70,000,000


B

Physics & Space Science

You might also like to view...

Internal energy is a _____________variable.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

During a reversible adiabatic expansion of an ideal gas, which of the following is NOT true?

A. pV ? = constant B. pV = nRT C. T V ??1 = constant D. |W| = $ p dV E. pV = constant

Physics & Space Science

Our Solar System resides in the _______________ Galaxy

Fill in the blank(s) with correct word

Physics & Space Science

A car is traveling along a highway at 65 mph. What is the linear speed of the bottom of the tires?

What will be an ideal response?

Physics & Space Science