The answer is c that what a lot of people use☻
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The term “public domain” refers to creative materials that are not protected by intellectual property laws such as copyright, trademark, or patent laws. ... Anyone can use a public domain work without obtaining permission, but no one can ever own it.
Answer:
1) pull out the legs of the tripod to gain the required height and necessary stability
2) adjust each of the legs so that the tripod is level
3) attach the camera to the tripod