Answer:
Explanation:
Simplify -3\times -5−3×−5 to 1515.
15=-2\times -20
15=−2×−20
2 Simplify 2\times -202×−20 to -40−40.
15=-(-40)
15=−(−40)
3 Remove parentheses.
15=40
15=40
4 Since 15=4015=40 is false, there is no solution.
No Solution
Answer:
All villagers were ranked by their abilities and level of skill.
Explanation:
After the hunting-gathering period, in the human history, people began to settle down. This transition of people from homes built for certain time to permanent settlements.
This transition era is known as Neolithic Revolution. This period also marked the beginning of human civilization and social stratification. People began to cultivate lands, domesticate animals, etc.
As the society begin to expand, social stratification became more divisive. People began to divide social class based on the resources they owned, their skills, and abilties.
Thus the correct answer is the first option.
The poor distribution of services and inadequate infrastructure is basically inadequate and almost unreachable for the poor people in South Africa.
In a lot of areas dominated by poor and marginalized people, electricity is almost inadequate. This is a major infrastructure that should be equitably distributed between all classes in the country.
Health and medical infrastructure are limited. The people have no access to what is available due to the high costs and the unavailability of financial resources. Due to the nature of these people, they should have the best form of medical attention.
There is also a lack of technological skills in the country. This affects the poor and marginalized, especially the subsistence farmers who needs these to improve their farming.
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Answer: Mining is an activity which the earth is dig to obtain minerals and oil reservoirs.
Explanation:
The two environmental consequences that are responsible for filling the valleys are soil erosion and downstream mining causing the contamination of the neighboring water source. Soil erosion is resultant of the mining activity causing the trees to be uprooting from their site and making soil prone to the affect of physical factors like wind and water.
People should learn about the currents, waves, and tides just in case of an emergency or the tides are too high. The people should know if their worried about their structure of their home, or worried about their safety.