BedBugsLiceScabiesOhMy
Total surface area of earth 5.1 10 14 m 2 Land 25% 1.3 10 14 m 2 13,000 Mha 11% 5,500 Mha (1 hm = 10 2 m; 1 ha = 1 hm 2 = 10 4 m 2 )
Peregrine Falcon Monitoring Through Webcams Alan Williams Data Manager, Shenandoah National Park Data Manager, Shenandoah National Park 2008 GIS / Data.
Rachel Carson and Silent Spring “If I had influence with the good fairy who is supposed to preside over the christening of all children, I should ask that.
Total surface area of earth 5.1 10 14 m 2 Land 25% 1.3 10 14 m 2 13,000 Mha
Vol. 38, No. 10 Oct. 11, 2010