Who serves as the presiding officer of the Senate?

The
of the United States serves as the presiding officer of the Senate.
At present,
is the president of the Senate.

Answer:
I need help with my password and I don’t know how to change it will you please help me
Explanation:
Answer:
heat energy is used in boiling water and to make steam at power stations
Explanation:
Yes, this is because particles in a solid there are more particles which are touching. They can only vibrate. But particles in a gas are far apart. This is the same for liquids to.