¿Por que es importante el consumo de alimentos saludables no contaminados por bacterias para mantener una salud integral? Me pueden ayudar por favor

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

At which location in earth’s interior does the top density continue to increase as thickness decreases?