Respuesta:
B. pastoreo excesivo de animales de granja
Porque son lugares secos.
Explicación:
Las políticas e infraestructuras que promueven la agricultura en las tierras de pastoreo que no pueden mantener sistemas viables de cultivo, contribuyen a la desertificación. La mayoría de las áreas de tierras secas (el 65%) son tierras de pastoreo que son más adecuadas para el pastoreo sostenible que para el cultivo.
Answer:
Decrease risk of heart disease, stroke and diabetes.
Additionally, active people have 20 percent less chance of stroke. Regular exercise also helps keep blood sugar levels in a healthy range and, in turn, helps lower risk for prediabetes and type 2 diabetes
Explanation:
Answer:
1. A
2. B
Explanation:
1. In a sustainable practice, resources are used judicially to fulfill the current demand and also preserved for catering the demand of future generation. The overall objective is to save resources.
In crop rotation, the agricultural field is used effectively by growing crops with alternate nutrients and mineral demand. Also this saves the soil from getting eroded and allows the land to replenish its lost minerals and nutrients.
Hence, option A is correct
2.
This is a linear food chain and as per the sequence given in question it is clear that water fleas feed upon algae. Thus, if population of algae reduces, the population of water fleas will also decrease.
Option B is correct
Centromere
Hope that helps! :)