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Softa [21]
3 years ago
9

To survive. what gas do we need to breathe in?

Biology
1 answer:
sweet [91]3 years ago
5 0

Answer:

Oxygen

Explanation:

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What are the levels of organization in biotic factors?
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Nivel subatómico: lo integran las partículas más pequeñas de la materia, como son los protones, los neutrones y los electrones.

Nivel atómico: lo componen los átomos, que son la parte más pequeña de un elemento químico que puede intervenir en una reacción.

Nivel molecular: está formado por las moléculas, que se definen como unidades materiales formadas por la unión, mediante enlaces químicos, de dos o más átomos, como por ejemplo una molécula de oxígeno (O2) o de carbonato cálcico (CaCO3).

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2 years ago
For the carbon cycle and the nitrogen cycle to function properly, which organisms must always be present?
soldi70 [24.7K]

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Decomposers

Explanation:

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3 years ago
Which one is NOT one of the 5 major parts of a BULB? Root
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Explanation:

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8 0
2 years ago
Which statement is true for photosynthesis? Producers use it. Consumers use it. Scavengers use it. Decomposers use it.
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A. producers use it

Explanation:

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