Gender roles are complementary, equally important for a society's survival, and affect human capital. b. Gender is a social construction that emerges and is reinforced through everyday interactions. c. Women and men have distinct roles that ensure a family's and society's survival.

Explanation:

Gender roles balance society, since both men and women complement each other, women project security and stability to the home and help men to insursion in making good decisions.

The role of the man provides autonomy, stability to the home because it affects the family to project itself towards the search for a better quality of life, in turn provides security to his wife and to the whole family.

The correct answer is C. Women and men have distinct roles that ensure a family's and society's survival

Explanation:

Gender roles can be defined as the behaviors, values, and attitudes that a society considers appropriate for both male and female. Traditionally men and women had completely opposing roles, for example men were seen as the provider for the family and women were seen as the caretakers of both the home and the family

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals