"I" symbol means the current goes through the system (imagine the 'I' being a line, like a circuit connecting [power to the device]) "O" symbol means the current does not go through the system. ( the circle is an open circuit, having no power flowing through it
Answer:
Alkali metals are soft and have low melting points.
Because you don’t have to walk and riding a bike can make you go faster and it lets you get to where you need to go much more faster
<span>1.61 × 1023 Multiply by 26.8 to get the answer.161.33 x 10 ^23 </span>
