What causes the earth’s magnetic field? a. circulation of van allen belts around the planet b. presence of charged particles in the inner core c. charged particles from solar wind hitting the magnetosphere d. movement of charged particles in the outer core

What do butterflies have on their feet which allows them to sense different strengths and types of nectar? a. mechanoreceptors b. acoustic receptors c. substratum receptors d. chemoreceptors

If a balloon is taken outside on a very cold day, what will occur?

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?