Question

10. The entire biosphere is a
closed system because
O
the nutrients are both ,exported and
imported from the biosphere
O
the nutrients are only imported to
the biosphere.
O
the nutrients are only exported from
the biosphere
the nutrients are neither exported
nor imported from the biosphere​

Answer 1

Answer:

What is afforestation and why is it important?

Afforestation is a step towards this effort to save the Earth . Many countries are implementing the concept of afforestation to save the environment. As we know that afforestation is a process of transforming an unused land into a forest, hence this process has a great importance to the biodiversity .

Answer 2

Answer:

d. is the correct answer