Answer:
They communicate ideas very quickly.
Explanation:
Answer:
A battery changes chemical energy to <u>electrical</u> energy
A drum changes mechanical energy to <u>sound</u> energy
Explanation:
A battery is a device that stores chemical energy and converts it to electrical energy.
Beating a drum represents a mechanical to sound energy conversion.
Answer:
Engineers are a very beneficial contribution in which offers great solutions to national problems.
Com·ma
/ˈkämə/
NOUN
1. a punctuation mark (,) indicating a pause between parts of a sentence. It is also used to separate items in a list and to mark the place of thousands in a large numeral.
2. a minute interval or difference of pitch.
Answer:
B) the liquid accelerated to high velocities.
<em>I</em><em> </em><em>hope</em><em> </em><em>this helps</em><em> </em>