Answer:
Availability of food
Explanation:
The availability of food is a limiting factor in a population of organisms. If there is not enough food, some of the organisms will die and the population will decrease in number.
I think it's b. Paralanguage
Answer:
the atmosphere ... i believe that is what you mean
Explanation:
The phi phenomenon is an apparent movement produced by
luminous impulses in classification, while beta movement is an apparent
movement produced by luminous still impulses. Wertheimer supposed the apparent
motion applied that the phenomenon was not really experienced it was just an
illusion, so as an alternative he used phi phenomenon.