Answer:
D - Scientific investigation aims to design and implement an experiment to learn new information, whereas technological development aims to design a product to solve a problem.
The answer to this is the youtube channel. The youtube channel is very common and very popular to everyone. Each and every one of us could not deny that we would watch a video from youtube maybe at least once a day. Youtube is very effective, it is also very efficient and easy to use.
Its 375,292,000,00
Yay.....
