During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber,

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Answer 1
Answer: 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!
Answer 2
Answer: Both valves will be closed. Just took the test, got it right. =]

Related Questions

Fault lines are:the crust of the lithosphere that has fractured along plate boundaries and ridgesthe crust of the athenosphere that has fractured along plate boundaries and ridgesthe crust of the biosphere that has fractured along plate boundaries and ridgesthe crust of the kryosphere that has fractured along plate boundaries and ridges
What planet is called a green planet
A rapid change in ocean density with change in depth is the: 1. halocline. 2. thermocline. 3. barocline. 4. isocline.5. pycnocline.
How do we know the age of the Earth?
Pressure from the arabian plate pressing against the Eurasian plate created

True or false In terms of religion, the majority of Pakistanis are followers of Hinduism.

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This is false!

In fact, the followers of Hinduism can actually be prosecuted in Pakistan and the leading religion of Pakistan is Islam.

Pakistan was founded as a country for Indian Muslims where they would not be outvoted by the Hindu majority.- so the Indian Muslim emigrated to this region when the country was created

Tornados, earthquakes, hurricanes, wildfires, tsunamis are examples of?

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Sounds like natural disasters. 

Mr lip stands forMovement-
Region-
Location-
Human environment interaction-
Place-

~What are the definitions to those words?

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Movement- this is about how people, products, information, and ideas move from one place to another.
Region- 
A region is an area or division defined by similar characteristics. They can be natural (physical) or human (cultural) characteristics. 
Location- Location is where a place is(a particular place) on earth. It can be described in absolute (through longitude or latitude), or relative terms.
Human Environment Interaction- this is how humans adapt to the environment and how they change it to suit their purposes. It is how the human social system acts upon its ecosystem.
Place- 
Places are defined by everything in them (a particular position). Each has special characteristics that make them unique and distinguish them from every other place on earth. 
Had to search everywhere to get this lml anyways, hope it helps
:)

Meteorologists collect and record data about weather conditions. In order to predict future weather conditions, data should be collected...a) only when the temperature changes more than 10°C.
b) on a regular basis over a long period of time.
c) often but only during severe weather.
d) frequently for a couple of days every year.

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B) on a regular basis over a long period time
This provides data about the average temperature, rainfall, windspeed, etc. to accumulate enough information 

The Canadian Shield, a vast expanse of ancient rock, is centered around which area?

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The Canadian shield is centered around The Hudson Bay area, bordered to the east by the Appalachian fold belt, and to the west by the Interior Platform. The Canadian Shield is an area of exposed intrusive igneous rocks, primarily granite. This area contains major deposits of iron, gold, copper and nickel.

Gaps in rock layers are called?

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unconformities Rock layers are usually dated using their specific fossil content, which is arranged in an order known as erroneous evolution. Geological columns are not considered to be accurate history, but rather a statement of evolution. There is, however, some truth contained in geological columns. Geological columns are used to present rock records through different ages. It may seem authoritative, but it is not recommended by the Institute for Creation Research to rely on these too much.According to the Institute for Creation Research, the gaps found in rock layers are known as “unconformities.” They represent erosion or a time period known as non-deposition.
Erosion's there called