True, when creating a piece an artist has to use a combination of all elements to compose something that will actually be appealing to the eye.
In the end of the major case of Brown Vs. Board of Education,
the Supreme Court ruled that racial segregation in public education facilities was UNCONSTITUTIONAL. This being said, the answer to your question, is D.
It struck down segregation laws as unconstitutional.
Deforestation is caused which means that they are being cleared faster than they can grow back. this problem can be fixed if less growth would happen around forests, this problem could be fixed if there were to be more trees planted.
The definition of subsistence farming is "the farmers focus on growing food to feed themselves and their families.The typical subsistence farm has a range of crops and animals needed by the family to feed and clothe themselves during the year. Planting decisions are made principally with an eye toward what the family will need during the coming year, and secondarily toward market prices."