Question The passage suggests that
O global warming is not as dangerous as people think
O climate change will likely not affect animals
o there is no scientific evidence to support Gore's claims about global warming
o there is some disagreement about the existence and impact of global warming

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio