Check out this website http://science.jrank.org/pages/3421/Hummingbirds-Biology-hummingbirds.html
As far as I know of B would be the correct answer but i am not positive
Good luck!!
Answer:
The given statement is False.
Human health is affected by the environment limiting factors. The limiting factors like food, water and some other resources are responsible for the human health and hygiene. The both the biotic and abiotic factors are responsible for the human health.
