It takes about 365and 1/4 days
The tropical rainforest is a biome with a constant temperature and a high rainfall. The level of humidity and density of the vegetation give the ecosystem a unique water and nutrient cycle. Rainforests around the world are threatened by human expansion.
Answer:
,
,
,
, 
Explanation:
If the quadrilateral presented in figure is a parallelogram, then the following conditions are satisfied:
(1)
(2)
(3)
(4)
(5)
(6)
If we know that
,
and
, then we have the following results:
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,
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, 
The percentage of the increase of iron is 50% because it increased by 0.6 and that's 50% of 1.2mg