Which of the following describes the moon’s motion around Earth? A) The moon is in free fall around the Earth.
B)The acceleration of the moon is toward the center of Earth.
C)The moon is falling toward the center of Earth and away from the straight line path it would travel without gravity.
D)All are correct.

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?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?