The lower the frequency the lower the pitch sound.
This behavior helps Betty in <u>intellectual </u>development.
Collaboration in science is important because if only one scientist does an experiment, and gets a result, he/she could have messed. So this is where collaboration comes in. A few other scientists could try the experiment, and if they get the same answers, the result may be proven correct.
Hope this helped!
The stage where atoms are spread out and bouncy is the gas stage.
