Answer:
A mask on the united states
Explanation:
It explains itself
Answer:
These researchers are suffering from observer bias.
Explanation:
Observer bias is also known as <em>research bias</em> and it is the tendency an individual has to <em>see what he/she wants or expects to see</em>. The researcher allows his/her expectations about what will happen to <em>affect the study's results</em> because one's subjectivity comes into play, not really being objective.
Answer:
predictions are difficult to falsify
Explanation:
According to my research on the Darwin's theory of evolution, I can say that based on the information provided within the question this has been criticized because its predictions are difficult to falsify. This is because evolution is a process that centuries to happen, and since psychologists need to study the individual in order to analyze their mental aspects and determine whether they were actually passed on, it is nearly impossible to prove this right or wrong.
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Yes because it takes up space and anything that takes up space weighs something (anything with mass has weight)