Answer: What do red signs indicate?
Red: Red generally means stop. The use of red on signs is limited to stop, yield, and prohibition signs. White: A white background indicates a regulatory sign.
Explanation:
Answer: B Sputnik
Explanation: I hope this helps you
aeorbic respiration occurs in the mitochondria
Answer:
Screen door
Explanation:
Because it holds things out but let air in.
