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lora16 [44]
2 years ago
15

Although air is full of nitrogen, it is not available for organisms to readily use. Nitrogen is changed into which substances be

fore being used by living things? A. Oxygen, carbon, water B. Nodules, roots, fertilizer C. Ammonia, nitrates, nitrites D. Phosphorus, nitrates, nodules.
Biology
1 answer:
bulgar [2K]2 years ago
8 0

Answer:

It is essential for all living things. Fixation: In order for organisms to use atmospheric nitrogen (N2), it must be “fixed” or converted into ammonia (NH3).

Explanation:

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sveticcg [70]

Answer:

A scope built of two systems of lenses ... ==> Compound light microscope

Explanation:

8 0
2 years ago
Describe the initial conditions.
ozzi

Answer:

1. Starch Solution

2. Lugol's Solution

3. Starch Solution and Lugol's Solution

4. Only Lugol's Solution

Explanation:

These are the answers I used and got it correct on Edgenuity. If this helped please rate 5 stars and click the thanks button. =)

5 0
3 years ago
Read 2 more answers
Ryan wants to see if storing his batteries in the refrigerator will make them last longer. He goes to Target and buys four batte
bulgar [2K]
<span>The battery which Ryan kept in fridge, assuming it was well protected from any moisture or water, it would tend to play the CD longer than the one stored in a desk drawer. This is because storing batteries in a cool dry location while protected from any moisture or water, can help to prolong shelf life. This is due to the fact that low temperatures tends to slow down the electric current flow within the electrolyte fluid inside the battery, hence, the rate of power dissipation is reduced thus slowing down of the power drain from battery by the electric current flow . Thus, the battery stored in the fridge tends to have lost less power, if any, compared to the one stored in a desk drawer.</span>
8 0
3 years ago
From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conc
lukranit [14]

Answer:

True

Explanation:

Meiosis is a type of cell division that occurs in gametic cells. In this cell division, one cell is divided into four cells and the chromosome number is reduced to half therefore it is also called reduction division.

During meiosis crossing over occurs between homologous chromosomes that allow the exchange of genetic material between them that results in the formation of genetically unique daughter cells.  

In spermatogenesis during the first meiosis division, the homologous chromosomes get separated into two daughter cells reducing the chromosome number by half and during second meiotic division sister chromatids separate into two more cells. Therefore four genetically different cells are generated.

3 0
3 years ago
What is one thing the student could do to improve the accuracy of her results
scZoUnD [109]

Answer:

A. Use a greater number of plants

Explanation:

5 0
3 years ago
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