Question 1 The force of gravity on the surface of Mars is about US of what it is on Earth. Therefore, the escape velocity for a rocket taking off from the surface of Mars would be 0 higher than the escape velocity on Earth. 0 the same as the escape velocity on Earth. 0 lower than the escape velocity on Earth. Question 2 The basic reproduction number of mumps has been estimated to be R0 = 6.5- If the mumps vaccine is 88% effective. what is the minimum percentage of the population that must be vaccinated in order to achieve herd immunitv and prevent the spread of mumps? Question 3 An internet news stow about science is mostlsf likely to be accurate if 0 you saw it on Facebook. 0 it is reprinted in the New York Times. 0 it concerns a scientist who works all by himself in his basement. 0 it reveals secret information about aliens that the government has been hiding from you