How to draw contour lines

[@rreavenn]

This helps me a lot, thank you so much

[@AshokKumar-mp8jf]

Thank You Very Much.

[@audrapflug3768]

"a boundary of some location"
me, a nebraskan geology student just trying to figure out how to do my homework: :,0

[@zahidcreations8322]

Thank you so much 🙃

[@rameezshaikh5960]

I am studying msc petroleum plz tell me how to connect with you

[@rameezshaikh5960]

Ma'am I need help