Question

5. En
Entoy
or exist of small molecules like
O2 CO2 is called​

Answer 1

Answer:

String a piece of twine between the cups. Use a long piece of string to help the sound travel farther. Tie a knot in the end of the string to keep it in the cup. Decorate the cups if desired.

...

You'll need just a few things for this project:

Styrofoam or paper cups.

Cotton twine.

Markers.

Scissors.