Which term refers to first level of a product, which depends on the customer value it generates

Suppose an astronomer discovers a large, spherical-shaped body orbiting the sun. the body is composed mostly of rock, and there are no other bodies sharing its orbit. what is the best way to categorize this body? a. planet b. moon c. comet d. asteroid

If your accelerator suddenly gets stuck what should you do

Complete the sentence about a presentation delivery method