Bằng cách tính giá trị logic, hãy chứng minh các hệ thức sau tương đương. (1). a b = ~(a ∧ ~b)
(2). a b = ~b ~a

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor

Describe one of your personality traits that you believe to be highly heritable and another trait that seems to be much less so. provide reasons for your answer, and explain why you would expect genetics to exert a greater impact on some personality traits than on others. 10. discuss at least 3 cultural/environmental factors that may influence behavior.

Evaluate bh for for b = 5 and h = 10