? I don’t understand the question?
<span>During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, the intake and exhaust valves will both be closed. This means that the mixture of fuel and air are compressed, due to the seal around the combustion chamber that has been created by the closure of both of these valves. Hopefully that answered your question for you!</span>
Answer:
Non point sources
Explanation:
A point source is usually a single known source of a pollution such as emission of toxic fluids from a company directly into water bodies.
Runoff of eroded soil and chemicals such as fertilizers and pesticides from cropland, feedlots, logged forests, urban streets, parking lots, lawns, and golf courses are examples of non point sources as there is no main known source of the pollution.
Labeled from left to right (left column 1-9 and right column 10-18), these are the answers.
Economic - 5, 6, 16
Social - 3, 4, 7, 8, 12, 18
Environmental - 1, 2, 9, 14, 15, 17
Political - 10, 11, 13
<u>Explanation</u>:
- Statements 5, 6 and 16 are related to the economy of China. 5 talks about how it is becoming richer, 6 talks about its currency and 16 talks about 2 major cities that contribute to China's economic growth.
- Statements 3, 4, 7, 8, 12 and 18 are related to the people of China. 3, 7 and 8 talk about the people in general and where they live in China. 4 and 18 talks about the staple food and the Chinese restaurants they have in the UK. 12 talks about the language they speak.
- Statements 1, 2, 9, 14, 15, 17 are related to the environment of China. They talk about the rivers, land, mountains, ocean, desert, and climate of China respectively.
- Statements 10, 11 and 13 relate to the political state of China. 10, 11 highlights the capital city and a great landmark in China. 13 talks about the relevant communist system present in China.
The correct answer is B. Wealthiest countries of South America.
Uruguay is well known as a small country which is found in South America and it is between Argentina and Brazil along Atlantic coast.
Both Argentina and Uruguay they experience subtropical climate which is in the region of Paranena.
Uruguay is being borded to Argentina. The two mountains which ranges in Argentina are Sierras de Cordoba and Cordillera de Lípez.
