En un bosque se han formado, con la energía del sol, un total de 1,8 · 10 34 kg de materia nueva. Si el total de la masa de plantas que han absorbido esa energía es de 3,5 · 109 kg y el gasto en respiración de esas plantas fue de 6,3 · 1028 Julios, calcula: a) La producción primaria bruta y neta (PPN y PPN)

b) La productividad

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Using the periodic table, determine which material is most likely a good conductor

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases