Answer:
A researcher found that the reproductive success of bumblebees decreased when the population density of honeybees increased. The decline in the number of bumblebees appeared to be a result of competition for nectar.
Explanation:
Topics regarding community ecology will study the interaction between different species that occurs within a certain type of environment.
The interaction could be anything as long as it influence each other's population, distribution, structural position within the evolutionary scale, and the spatial space where both species live in. (the interaction between bumblebees and honeybees above fill this criteria)
Answer: d) positive or negative predictions of our behavior, imposed by others and/or ourselves.
Explanation: A self-fulfilling prophecy is a prediction that causes itself to be true due to the behavior of the believer. Self-fulling, here, means “brought about as a result of being foretold or talked about,” while prophecy refers to the prediction.
C. Both sides have enough bombs to destroy each other many times over
But United states beat them when making first nuke
The answer is B) because your not using any criminal code or doing anything wrong when it's the other persons fault it doesn't have anything to do with trying to address public safety so yeah its B). Process of elimination! Hope I helped!