How can you use a compass to find directions on earth?

What does the first stage of a multistage rocket do?

Typically, a cover letter should be no longer than

Which labels do x and y represent? x: scattered bundles y: multiples of four or five x: scattered bundles y: multiples of three x: bundles in a ring y: multiples of four or five x: bundles in a ring y: multiples of three