Discuss the role of robotic missions in the exploration of the Solar System (must mention all four levels of the data gathering).

Hurry: the angle measures associated with which set of ordered pairs share the same reference angle? (-square-root 3/2, 1/2) , (-1/2, -square-root 3/2) (1/2, -square-root 3/2) , (-square-root 3/2, 1/2) (-1/2, -square-root 3/2), (1/2, square-root 3/2) (square-root 3/2, 1/2) , (1/2, square-root 3/2)

Which fossil fuel releases the least amount of carbon dioxide in a year a.natural gas b.coal c.nuclear energy d.oil

In which example would it be best to use the bcc field? a)scheduling a project update meeting with some of your coworkers b)sending a newsletter to hundreds of professional society members c)keeping your supervisor informed about what you are working on d)contacting a new client about a new joint business opportunity