Which one of the following is thick in the middle and thin at the edges?
a. concave lens
c. concave mirror
b. convex lens
d. plane mirror

What is the natural environment? the story of the interaction of people forming societies, cultures, and civilizationsan increase in the world’s temperaturethe process by which social institutions are adopted on a global scalethe natural world in which people, plants, and animals live

Asocial science theory focusing on the inborn nature of social traits and the role of evolution in shaping human behavioral patterns. b. the view that society is governed by interrelated parts that make up the smoothly functioning whole. c. the individual's sense of femaleness or maleness. d. behaviors that focus on feelings and relationships among members of a group. e. the belief that men are superior to women and should control all important aspects of society. f. the process of acquiring and internalizing the ideas and behaviors deemed appropriate for males and females by their society. g. behaviors that focus on the accomplishment of specific tasks for a group rather than on personal feelings. h. the physical and biological aspects of male and female. i. cultural attributes of masculinity and feminity. j. provides a hypothesis of why males are dominant and females submissive.

Is when a person has given their consent based on understanding the actions and facts of a study?