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horsena [70]
3 years ago
14

Why are nitrogen-fixing bacteria important in ecosystems?

Biology
1 answer:
prohojiy [21]3 years ago
3 0
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
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What does an alcoholic beverage contain that is a central nervous system depressant? 
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Answer:

interferes with release of neural transmitter GABA

Explanation:

Alcohol is a central nervous system depressant, meaning it slows down brain functioning and neural activity. Alcohol does this by enhancing the effects of the neural transmitter GABA

depressants essentially "look" like the neural transmitter and so they go in and block the plasce in the brain between synapses, so when the body tries to release GABA, it appears as if it is already filled in, but in reality it is the alcohol that has filled it. once they start buidling up, they block enough that it impairs brain activity

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Why are plants found at the beginning of a food web
choli [55]

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Explanation:

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Based on what you have learned from your rankings in parts a and b, why is it generally hotter in summer than in winter?.
lesya692 [45]

We feel hotter in summer than in winter because the temperature is generally higher than in winter.

<h3>What are seasons?</h3>

There are three seasons on earth namely winter, summer, and rainy season. In the winter season, the temperature is cold and during summer the temperature is higher.

Timing and characteristic of season depend upon the location of the earth. The time of a year region experience season depends on it is northern hemisphere or southern hemisphere.

The southern hemispheres experiences winter while northern hemisphere experiences summer. The cycle of seasons is caused by earth's tilted towards the earth. The planet rotates around an axis.

Therefore, We feel hotter in summer than in winter because the temperature is generally higher than in winter.

To learn more about seasons, refer to the link:

brainly.com/question/19009677

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2 years ago
Pls help me with this it’s worth 10 points!!!
MArishka [77]

the controlled variables are, timing of adding ice, water used, and amount of sugar. the dependant variables are, daily temperature, and amount of lemon juice. the independent variable is, number of glasses sold. hope it helps

please mark brainlyist

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