They observe it, run tests on many different things, and do expirments
Maybe not because after light increases stomas will decrease and after that plant leaf will take less co2 and less co2 mean less synthesis in the plant.
Answer:
A frog and humans
Explanation:
A frog develops and changes during its lifecycle,also a human thy grow as they age.
I think hes just wanted to know if taking breath mint could cure bad breath after eating crabby patty.