What is the main idea of the paragraph?
(30 points and brainliest for best answer)

another interesting advancement in green technology is the idea of green walls and green roofs, which are green because they are made from plants. using plants as part of the building is a great way to make a building green. green walls and roofs reduce the amount of cooling needed in the summer and heating needed in winter.

a) using low-flow toilets, sinks, and shower heads saves water.
b) gray water is any type of waste water other than toilet water.
c) xeriscaping is landscaping with plants that do not need much water.
d) using walls and roofs made of green plants reduce the amount of cooling needed in the summer.

Read the excerpt from "politics and the english language" by george orwell. by this morning’s post i have received a pamphlet dealing with conditions in germany. the author tells me that he "felt impelled” to write it. i open it at random, and here is almost the first sentence that i see: "[the allies] have an opportunity not only of achieving a radical transformation of germany’s social and political structure in such a way as to avoid a nationalistic reaction in germany itself, but at the same time of laying the foundations of a cooperative and unified europe.” which statement is correct? orwell uses an example and statistical evidence in this excerpt. orwell uses an example and a quotation for evidence in this excerpt. orwell uses hypothetical and factual evidence in this excerpt. orwell uses hypothetical and statistical evidence in this excerpt.

How is the word laud and welcome different

Which of these sentences is an example of paradox