A few would be maybe a change in mating? Like if the animal isn't leaving it's habitat to go and get nutrition and mate then something might be off with the animal, or the seasons are messing them up due to weather.
Another would be possibly be animals who usually don't go into competition, going into it with animals that are usually in a good zone, most likely due to food dropping or habitat population increase.
And then there's invasive species, they come in and kill off animal species causing a whole environmental habitat of animals to die off, eat their food and take in all the nutrients, and then possibly animals having to go off and find a new habitat causing them to become invasive species.
Tom Godwin's chosen title for his short story "The Cold Equations" refers to the cold, factual mathematical equations that were used to calculate Marilyn's fate.The first equation refers to the one the computers that govern the Stardustcruiser and the Emergency Dispatch Ships (EDS) use to calculate how much fuel to load Barton's EDS with so that he will safely arrive on Wooden to fulfill his emergency mission. The conflict of the story...
The answer would be (B) to change their beliefs about meat
C the answer is c explained
Magazines produced in the age, history book, books from the library based on the year, google.