We get weaker because put yourseld undersoemthing but not too long bc youll pass out but youll notice youll get weaker. so theres your answer buddy.
Answer:
Oxygen
Explanation:
A waste product of photosynthesis organisms need for cellular respiration is oxygen. We breathe out carbon dioxide and plants use carbon dioxide during photosynthesis and in return they give us oxygen which is their waste product.
Answer: Blue because of google lol
