Answer: Option (a) is correct
Explanation:
Biological anthropologist are the people who study behaviors and biological characteristic of humans residues,ancient resources etc.
According to the question, biological anthropologist study the mechanism of environment adaption, evolution, history of development and existence, variation and origin of human beings.
Other options are incorrect because genes effect, makeup of biology and environment impact are not the factors that defines humans as per concept of anthropologist.Thus, the correct option is option(a)
The correct answer is B. Consider the social situation.
Explanation
Mannerism is a facial gesture or body expression that conveys an implicit message and is characteristic of a specific region or area. Mannerisms are forms of communication through brief gestures. According to the above, Jamila can determine the mannerisms meanings of his companions by considering the social situation in which they used them because these gestures are usually complementary and the main message can be understood by analyzing the situation or context. So the correct answer is B.
I would go tell my parents and get alot of ice cream and starbucks