Answer:
Resentful
Explanation:
Definition: "feeling or expressing bitterness or indignation at having been treated unfairly." this perfectly describes Elena's feeling toward her friend.
Answer:
a).there was no way to foresee that the incident would happen.
Explanation:
The research error described above is an example of selection bias.
Selection bias takes place when, from a population of interest, a group of individuals is selected in order to construct a sample but without a proper randomization. The result is a sample which is not representative of the underlying population.
According to the example, the target population of the research comprises all students but the sample only includes boys. Hence, selection has not been random because it followed a gender criteria, and the results obtained using it cannot be applicable to the whole population because they are affected by a selection bias.
In Puerto Rico 16 is when you are able to get your drivers license and at 18 you are able to vote.
The Soviet Union won the battle of Stalingrad.