4 ms·
Pigeon shit has existed for a little while longer than the H-B process has. Pigeons transport N from non-farmed areas (like forests) to farmed areas (where the
by danielheath 4y ago
Pigeon shit has existed for a little while longer than the H-B process has.
Pigeons transport N from non-farmed areas (like forests) to farmed areas (where the towers are).