fAnswer: A new source of high quality denim fabric
Explanation:
A shift from PPF1 to PPF2 would suggest a new improvement due to technology, innovation or raw material. Here a new source of high quality fabric would result in more and better production of fabrics.
Answer: Well known ports
Explanation:
DHCP server transmit the response to the dynamic host configuration server protocol (DHCP) clients. DHCP default port is 67 and its port number is greater than the user data-gram specific port.
FTP server has its default listen at port 21 and file transition protocol(FTP) uses two transmission control protocol(TCP) connection for communication in the network. FTP passes information in port number 21, which is only used to send control information.
Well known port are use to identify the service of network on the public internet and private internet network. Therefore, port 21 and 67 are the well known ports.
A sample word problem to calculate the volume and surface area of a three-dimensional object would be: "A logistics company has a wide area that is 300m^2 and has a parking space that is 50m in height and is 12 feet long. Find the volume of the parking space"
<h3>What is a Word Problem?</h3>
This refers to the use of words that describes a real scenario that would lead to a mathematical calculation.
Hence, to make a sample word problem based on the given description, the above description should be helpful, and remember that 
is 3.142 when doing your calculations.
Read more about word problems here:
brainly.com/question/13818690
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In theory, you can of course use any language you like, but there are a few commonly used ones.
From your list it would be c++ or c#, because if you actually have the interest long term then those will be the languages used by the various "big"/well known/used engines.
I would suggest c#, because it can be used with the Unity engine, which has an enormous community with help resources especially to start out and learn to program or game development.
On the other hand I would also suggest JavaScript. It isn't used for any of the big title development, but for all the *.io games like slither and so on. When looking at such games you will quickly notice that they are generally much simpler (for example 2D not 3D), because game engines are just simpler in JavaScript. While this is obviously limiting it might help to get something simple actually working, instead of getting stuck in extra complexities and additional features until you lose your motivation.
The basic programming you learn is still the same, so after you have learned a language you can quickly pick up most others.
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I think the answer is true
