Answer: b. fossil fuels are nonrenewable, so humans will run out of them eventually. burning fossil fuels also contributes to global climate change by releasing carbon dioxide into the atmosphere.
Explanation:
Fossil fuels are limited and we will run out of them eventually. They cannot be replenished in a single human's lifespan. Fossil fuels contribute to the destruction of ecosystems, but not only that. They release carbon dioxide into the atmosphere that warms the Earth. Therefore, anything other than B. would be incorrect.
 
        
                    
             
        
        
        
Answer:
los alimentos están compuestos principalmente por cuatro moléculas básicas -todas ellas consideradas macronutrientes- como son; el agua, las proteínas, los hidratos de carbono y los lípidos, sustancias que al ser cocinadas experimentan una serie de cambios, creando las estructuras y texturas de nuestras