Photovoltaic cells.
While semiconducting material such as silicon, the other a metal such as aluminum or silver.
Messenger RNA? if that's a option. not quite sure
Answer;
-Volumen, and
- Rhythm
Explanation;
-Volumen refers to the force or strengh of the pulse terms are normal full, bounding weak or theady.
-Rhythm refers to the regularity of spacing between beats. terms are regular, irregular, regularly irregularly and intermittent. Heart rhythm is vital to the function of the heart. If the heart fails to be excited, then no beating occurs.
-A normal heart rate is usually stated as 60 to 100 beats per minute. Slower than 60 is called bradycardia; faster than 100 is tachycardia ("fast heart").
When meteoroids enter Earth's atmosphere at high speed and burn up, the fireballs or “shooting stars” are called meteors. When a meteoroid survives a trip through the atmosphere and hits the ground, it's called a meteorite.