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marusya05 [52]
3 years ago
13

When nitrate is reduced to dinitrogen gas (n2), nitrogen is removed from the ecosystem and returned to the atmosphere through a

series of reactions collectively known as?
Biology
1 answer:
Zarrin [17]3 years ago
5 0
The answer is:  "<span>denitrification" .
____________________________________________</span>
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The correct option is A, FEEDING HABIT AND MIGRATION. From the passage given above, it can be seen that seagulls are scavengers, they usually eat from garbage dumps while wild geese eat seeds and insects, thus they differ in feeding habit. In term of migration, seagulls does not follow seasonal pattern of annual migration while wild geese do. These are the contrasts between the two birds. 
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2 years ago
An atom with 9 protons and 8 electrons is what kind of atom?
Reika [66]

Answer:

B. A cation

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The number of protons and electrons determine whether an atom will be postively charged (cation) or negatively charged (anion). In this question, an atom with 9 protons and 8 electrons will be A CATION because the protons (9) are more than the electrons (8), hence, making it a positively charged atom (cation).

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