Why is the shape of the earth is irregular?

What is the exponential form for 60000? What is the definition of constant used in math? How do you find the perimeter of a hexagon if the area is given? What multiplied by 9 will give you 9743? The principles of what include variation and competition? What line is perpendicular to the line y x 7? How and when and why did Jesus pray? If a bag contains 4 black 6 green and 2 yellow marbles and one marble is randomly drawn what is the probability that it is not black? Is -1 over 9 rational? How is 12 percent written as a fraction? What is double counting how can it be avoided? How do you write out 4.57 billion? How do you get 8000 dollars in 4 days? What are the Important of scale of reference? How many volts of electricity are used per year? Which is more 3cm or 30mm? What does 45 hundredes + 52 tens =? What does the term Puritan mean? What do you call a quadrilateral with just 1 pair of parallel sides and no equal sides? What does B M mean in reference to shoes?