I love puzzle games, I like how they expand your knowledge and make you have to think.
"force per unit area" because pressure is force per unit area.
hope this helped
Answer:

Explanation:
The statements are logically equivalent if they have the same truth tables. So let´s use truth tables in order to determine if they are logically equivalent or not:
The picture that I attached you shows the truth table for each case. As you can see in the highlight columns:

They are logically equivalent because they have exactly the same truth values between each other. Hence, we can conclude that they are logically equivalent.
Exhaust Gas Recirculation (EGR) for NOx control
<span>Positive Crankcase Ventilation (PCV) for HC emission control </span>
Evaporative Emissions Control(EVAP)
<span>Catalytic Converter for HC and NOx control</span>
Answer: Awnser below.
Explanation:
Basically, what you're going to need for a computer from my basic knowledge is a motherboard, of course, this is so you can actually use your computer. You'll need a PSU, or so called, a power supply. This will give power to your motherboard and the other components with it. You will need a CPU, this is basically the brains of the computer. This will run your operating system, and main componets. A GPU, this will give you a display for your monitor. And of course, ram. Ram will be giving you display for your monitor, and for running tasks.
For more components, you would need a hard drive, or an SSD, which will store your files and operating system. And of course, a keyboard, mouse, and monitor.