Discuss Q & A Forum - Post your doubts and answers
In UCEED they only asked for pencil sketches. so ig you might not want to use alcohol markers:)
in a recent e-meet, it was mentioned that manorama yearbook can be referred for general knowledge.
isometric vs. axonometric
A cross‐sectional view portrays a cut‐away portion of the structure/building in question and is another way to show components of the structure which are otherwise not visible from its front view (facade)
i think it has to do with the colour of most soil types being reddish brown hues and soil is primarily involved in crop production & harvest. also, some tree leaves change colour from green to brown during fall season.