Two ethnic groups make up much of Rwanda's population, the Tutsis and the Hutus. Ongoing civil war between the two groups has resulted in the:
A. new rule of law that now governs the country.
B. genocide of nearly one million Tutsis.
C. development of rural areas.
D. establishment of apartheid.

Leewood Middle School is considering a uniform policy, and the principal has asked for students' opinions about the colors for the uniform shirts. Jennifer and Josef conducted surveys about the possible shirt colorsTheir methods and results are described below. Jennifer Sampling method: Gave each student in her history class a survey to complete anonymously at home and return the following day. She received 50% of the surveys the next day. Results: 85% prefer blue shirts. Josef Sampling method: Wrote all students names on slips of paper. Gave survey to the 50 students whose names were chosen at random Results: % prefer blue shirts. Explain whose sampling method will provide results most representative of all students at Leewood Middle School and why Provide your own example of another method that would represent all students at Leewood Middle School.

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.