Question

Cuál es la descomposición del suelo de nuestra zona?

Answer 1

Soil stores vast amounts of carbon, far more than all the carbon in the world’s forests and atmosphere combined. Plants take carbon out of the atmosphere through photosynthesis and when they die the carbon they stored is returned to the soil.

Answer 2

Explanation:

Answer

α=2βandα+β=90

∘

∴α=60

∘

andβ=30

∘

∴cos

2

α+sin

2

β=cos

2

60

∘

+sin

2

30

∘

=

4

1

+

4

1

=

2

1