Humans obtain nitrogen by eating other organisms.
It would takes around 175 hours to walk 700 miles.
Answer;
No, the petal is not alive according to the characteristics of life
Explanation;
-This is because the flower petal on it's own can not Grow, or Reproduce, Adapt to it's Environment, Use Energy, or Respond to it's Environment.
-Growth, reproduction, response, and respiration are some of the characteristics of living organisms, therefore for anything to be considered living it must possess these characteristics.
Endocytosis is taking stuff in while exocytosis is getting rid of the stuff and putting it out
I Think The answer is d I hope it helps just Trying To help The best I can
