What portion of the Earth’s surface is too hot, cold, or wet to grow crops?

non-ecumene places

Explanation:

The non-ecumene places are the uninhabited portions of the earth. These places are subjected to have too extreme temperature conditions were no life can sustain. These places are excluded from the maps of the countries. For example, Antilope island, Much of Australia, Baker island, Big Major Cay and others.

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;

answerinternational border(ib);