Question of the day #12

Q1: If one were to lift there extended arm from their side to out in front of them without bending at the elbow they would be performing shoulder _______________?

Q2: The Vredefort crater is the largest on earth about 250-300 km wide, where is it located, In which country?

Q3: Silly Putty was discovered in 1943 by James Wright who mixed what two ingredients together to makes this interesting, bouncy, stretchy, pick-up-the-comics fun stuff?

Q4: What are the names of these two famous balcony hecklers from the Muppets?