2 years ago

Why a plant can survive longer than bacteria

1 answer:

3 0

Answer:

Bacteria are vital in keeping nitrogen cycling through the ecosystem, and nitrogen is vital to plant growth. Without bacteria around to break down biological waste, it would build up. And dead organisms wouldn't return their nutrients back to the system

Explanation:

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3 years ago

What is the molarity of a solution that contains 1.78 moles of KNO3 dissolved in 2.50L of water?

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Answer:

molarity= 0.712M

Explanation:

From n=CV

n=1.78, C=?, V= 2.5L

1.78=C×2.5

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3 years ago

The fact that matter is not created or destroyed in any chemical or physical change is called the

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Answer:

Law of Conservation of Mass.

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3 years ago

Porquê que o potássio é mais reativo que o cálcio? urgente!

saul85 [17]

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Explanation:

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3 years ago

1. we used __________ to represent an element.

scoundrel [369]

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1. we used <u>Symbol</u> to represent an element.

2. The chemical formula of a molecule shows the <u>number and kind of atoms contained in the molecule</u>.

3. K (potassium) is the atom among the given choices.

4. CO (carbon - monoxide) is the molecule among given choices.

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3 years ago

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