Which of the following types of studies violates the ethical code of the american psychological association?
a. studies that ask about private information
b. studies that administer placebo treatments
c. studies that involve active deception
d. studies that report the results of research individually, identifying the participants

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

hope it : )

explanation:

may i ask what challenges?

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.