Write down the effect of humidity and temperature on the speed of sound.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

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?