Answer:
77 out of 100 grids will have some marking to differentiate it from others.
Step-by-step explanation:
To model a desert community in which 77% of the area is covered with houses you may use different options as per your choice. You may put a border to the 77 of the 100 grid. If we choose a 10 by 10 grid then it will be preferable for modeling a desert community if you will mark 77 out of 100 grid.
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https://brainly.com/question/20029460?referrer=searchResults