Which page format would you likely use for a photograph of a standing tree? and why would you use that format?

Meenu wants to create a high quality drawing in a variety of colours. which device should she use for the same?

What side length would you specify if you were required to create a regular hexagonal plate that was composed of 33 cm(squared) of sheet metal? dimension the side length to 0.1 cm

Which of these is most responsible for differences between the twentieth century to the twenty-first century?