Help me outtt plz

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Which branches of natural science include the study of an organism that lived 10 million years ago