Answer:
<h3>option D</h3>
Explanation:
<h3>Is wire A connected to the light bulb </h3>
<h3>because it is series connection</h3>
For 23., you have to find a way to measure your heart rate not increase it. search it up on google.
Answer: The cells that make up the digestive, muscular, skeletal, reproductive, and excretory systems all need oxygen from the respiratory system to function, and the cells of the respiratory system—as well as all the other systems—need nutrients and must get rid of metabolic wastes.
Explanation:
The mass number goes on top, and the atomic number goes on bottom.
Therefore, the answer is C:
40
K
19
