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Zigmanuir [339]
3 years ago
12

Which cell structure functions like a school principal's office?

Biology
1 answer:
mixer [17]3 years ago
8 0
The nucleus is the right answer BOOOF
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marysya [2.9K]
Bones and muscle tissue
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Question about nitrogen and phosphorous cycle? Which statements are true, list all that apply
vaieri [72.5K]

Answer: 1) When phosphorous is not bound in rocks, it moves quickly through land food webs. Constant use of phosphate-rich fertilizers will help increase phosphorus availability to plants, thus ultimately helping our ecosystems.

3) Minimizing the use of ammonia-rich fertilizers on lawns would not add excess nitrogen to the nitrogen cycle. As a result, it would help decrease the pollution of food webs in the oceans, decrease soil acidity on land, and decrease the amount of greenhouse gases in the atmosphere

Explanation:

The nitrogen and phosphorus cycles both are biochemical cycles. The nitrogen cycle involves the process of uptake of nitrogen from the atmosphere by the soil bacteria which is then become available to the plants for plant growth, from plants it is transferred to the other organisms in different forms.

The phosphorus is found in the rocks and these rocks wither and the inorganic phosphorus become available to the ecosystems.

Option 1 is correct, this is because the phosphorus is available on earth in the inorganic form inside the rocks, the withering and erosion processes make the phosphorus available to the plants. Another source of phosphorus to plants is phosphorus rich fertilizers. Thus plants will absorb phosphorus and grow. These plants will be consumed by other organisms thus the ecosystem will remain healthy.

Option 3 is correct, this is because nitrogen rich fertilizers can cause eutrophication in water bodies, or can contaminate the water. It will decrease the pH of the soil due to the formation of nitric acid. Also the nitrogen dioxide is the greenhouse gas.

 

4 0
3 years ago
describe in a short paragraph how the following terms work together in an ecosystem and which of the terms can be used to includ
Free_Kalibri [48]
I’m not gonna write a paragraph but i’ll give a hint. it has to do with people growing, animals hunting , and climate
3 0
3 years ago
During which stage of the cell cycle does cell division occur? A. mitosis B. cell growth C. interphase D. quiescence
yaroslaw [1]

Answer:

interphase

Explanation:

During interphase, the cell grows and the DNA replicates. After that there's the mitotic phase where the replicated DNA and the contents in the cytoplasm are sperated in a way that the cell divides.

5 0
3 years ago
What is the gap between the two neurons known as?<br><br> motor<br> reflex<br> stimulus<br> synapse
jonny [76]

Explanation:

The gap between the two neurons is known as a synapse.

5 0
3 years ago
Read 2 more answers
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