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2 years ago

Nitrogen fixing bacteria in soil turns nitrogen gas into

1 answer:

4 0

<span>Nitrogen gas is converted to nitrate compounds by nitrogen-fixing bacteria in soil turns nitrogen gas into root nodules. Nitrogen is the most commonly limiting nutrient in plants. Legumes use nitrogen fixing bacteria, specifically symbiotic rhizobia bacteria, within their root nodules to counter the limitation.</span>

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Which is the force of attraction that holds atoms together?

Morgarella [4.7K]

B) chemical bond i believe is the correct answer

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3 years ago

What is the role of the greenhouse gases in the atmosphere?

Karolina [17]

Answer:

greenhouse effects are molecules that trap heat on earth atmosphere

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2 years ago

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How does a scientific theory differ from a guess or an opinion?

natima [27]

Answer:

Scientific theory differs from a guess or opinion because a scientific theory is a system of ideas that explains many related observation and is supported by a large body of evidence acquired through scientific investigation while guesses and opinions may not reliably predict an outcome, have evidence to back up the theory

Explanation:

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2 years ago

How many parts per million of fluoride in a solution that is 500 grams of fluoride and 500,000 liters water

erik [133]

0.000001‬ppm

Explanation:

Mass of fluoride = 500g

Volume of water = 500000liters

Unknown:

Parts per million of fluoride = ?

Solution:

The parts per million is the amount of solute in milligram dissolved in a liter of water or milligram per kilogram of solvent

It is a unit used to express very small concentration.

we need to convert g - mg

500g = 500 x 10⁻³mg = 0.5mg

Concentration in parts per million = $\frac{mass in mg}{Volume in liters}$

Concentration in parts per million = $\frac{0.5}{500000}$ = 0.000001‬ppm

learn more:

Parts per million brainly.com/question/2854033

#learnwithBrainly

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3 years ago

When you add water to calcium oxide it makes calcium hydroxide

Romashka [77]

Yes you add water to calcium oxide it makes calcium hydroxide

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2 years ago