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bazaltina [42]
3 years ago
6

The _______ optimizes airflow, keeps cylinder pressure in a certain range, and determines the engine's operating range.

Advanced Placement (AP)
2 answers:
Aleksandr-060686 [28]3 years ago
8 0
I think it would be A) valve lift
Sorry if I'm wrong
Juliette [100K]3 years ago
6 0

The answer is: D. Valve timing

Valve timing refers to the exact timing when the piston engine is being either opened or closed. The closing and opening of the piston engine  regulates the cylinder filling process. Which means that by setting the valve timing correctly, we can optimize the amount of airflow that got into the machine and keeps the engine from overheating.

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Do you believe that cutting or reducing the amount of pe in schools in favor of core academic subjects is a good idea? why or wh
finlep [7]
This questions seems to be a question where you are required to mention more than one point. The question has two options of course, I'll tell you my personal answer to the question in broken up points.

I disagree with this statement because I believe that Physical Education (PE) is a very important subject for each individual.
It has been proven that any sort of physical education improves the activity of your brain, if an individual's level of brain activity is higher, it means he learns more from other education and performs better on his tests. 
Physical Education is also a practical lesson that relieves stress off students from all the other core subjects that do not that involve as much practical activity.
Physical Education makes you healthier, the healthier you are the better your life style and (technically) life time will be.
Physical Education is also now proven to wake up students, this means students are less lazy and goes back to one of my previous points mentioning a students activity and performance in a lesson or a test.

I hope this helped, any other questions let me know. :3
4 0
3 years ago
What the mistake Robert was playing on the swing by himself but he was nor olone or with anybody else
Veronika [31]

Answer:

i think the mistake is olone i think it is supose to be alone

Explanation:

3 0
3 years ago
Read 2 more answers
A carnival game uses two spinners. The first spinner has eight equal-sized sections, three of which are orange. The second spinn
Studentka2010 [4]
C. It begins with 3/8 and 1/3, and we need to make it 5/8 and 2/3, and the one that does that is C.
6 0
3 years ago
Sonia first trains her new dog by saying “good dog!" before giving him a food treat. She then trains her dog to
prisoha [69]

Answer:

Sonia is using conditioning methods

Explanation:

Conditioning is training or accustoming a person or animal to behave in a certain way or to accept certain circumstances.

5 0
3 years ago
"We are both counting on you to protect us. If any of us die, im going to break your neck ^v^"
Andrej [43]

Answer:

ok

Explanation:

hold u-p ok

4 0
3 years ago
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