Deforestation would have to be one of the most significant environmental challenges. We cut down hundreds of trees everyday so suffice our need for paper or other products. Sooner or later we're going to run out of trees, and when we do we'll regret it dearly. Not only will it harm the environment, but it will also hurt us drastically.
the average story is 10 feet and the car is below ground so it would be negative. i assume the answer would be -20 feet
They have to wait for the right weather to dig a grave. If it looks asthough it is about to rain then they will know that all of the soil will fall inside the grave.
Basically add up all the sides... And that's the perimeter don't forget to add your units
