PROBLEMAS
1. Ordena de menor a mayor : 25 hm2 ., 170 m2 ., 20.5 km2 .
1. Ordena de mayor a menor :4238 dm2 , 32 km2 , 700 km2 .
4-Food chains and food webs Organisms need energy to grow and reproduce. Some organisms, such as plants, make their own food, but most feed...
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