I think it is D
Hope this help you
Answer:
Protection from harmful things.
Explanation:
The integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin, and assorted glands. The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues.
The main idea is <span>Factory workers are degraded at work and at home on a daily basis.
The excerpts above describes the past situation where factories did not even provide necessary salary to sustain the living of their hard-working labors, but they never had a chance to change jobs because they couldn't find another opportunity.</span>
The answer to the question above is letter D. The economic system combines traditional and free markets with the limits of government involvement. Mixed economy is a system that features a characteristics of both a capitalism and socialism. This allows a level of private economic freedom in the use of its capital.