answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
professor190 [17]
2 years ago
3

Which graph shows the presence of nitrogen-fixing bacteria in the soil

Biology
1 answer:
Irina18 [472]2 years ago
3 0

Answer:

2

Explanation:

<em>The graph that shows the presence of nitrogen fixing bacteria in the soil would be graph 2.</em>

Nitrogen fixing bacteria are bacteria that are capable of converting atmospheric nitrogen into plant-usable nitrogen in the soil. The conversion is done in two stages;

1. First, atmospheric nitrogen is converted into ammonia.

2. Ammonium is converted into usable nitrate

<u>Hence, the correct graph is the one in which the amount of atmospheric nitrogen decreases with a corresponding increase in the amount of ammonia. This would indicate the conversion of nitrogen into ammonia which is the first step in nitrogen fixation by nitrogen-fixing bacteria.</u>

You might be interested in
An 80-meter sequoia tree is in the forest. What is most likely the age of the tree?
balandron [24]

Answer:

The correct answer is option D. "1,200 years".

Explanation:

The giant sequoia (<em>Sequoiadendron giganteum</em>) are the most massive trees in the world, and the tallest is one sequoia called "General Sherman" with a height of  83.8 m. "General Sherman" is estimated to be 2,000 years old, and is estimated that a sequoia tree can live up to 3,500 years. Therefore, an 80-meter sequoia tree in the forest most likely will have more than 1,000 years.

7 0
2 years ago
In exocytosis, the membrane package fuses with _____.a transport protein a gap junction the nucleus the cell membrane
Maksim231197 [3]
Exocytosis is a procedure by which a cell transports secretory items through the cytoplasm to the plasma film. Secretory items are bundled into transport vesicles. In exocytosis, the one that fuses with the membrane package is the cell membrane. The membrane is transported to the cell membrane and the water molecules are released into the extracellular environment. 
3 0
2 years ago
Read 2 more answers
What is the reactants of glycolysis
Deffense [45]
1 molecule of glucose and 2 ATPs
7 0
2 years ago
The grades of a science test are normally distributed. Thanh finds that his grade on the test has a z-score of –2.5. Which of th
Tom [10]

The right answer is Thanh's grade is 2.5 standard deviations below the mean of the test grades.

The z scores are standard deviations. If, for example, a tool returns a z score of +2.5, it means that the result is a standard deviation of 2.5.

Very high or very low (negative) z scores associated with very low p values are at the ends of the normal distribution.

3 0
2 years ago
Read 2 more answers
Explain how to focus a microscope using the high-power lens. Include any safety issues you need to be aware of.
Lera25 [3.4K]
1)magnification goes by 10x (read 10 times), 100x,1000x and some goes 10,000x 

2)Always focus first using lowest power possible first, switch to medium power (100x) after it's focused on low power(10x), on 100x, use the small knob to focus it more. DO NOT touch the bigger nob when in medium or high power. Switch to high power (100x) when it is focused on medium power, again focus again using the small knob on high power. 

3) So it doesn't gather dust and fog up the lense? that one should be self explanatory
4 0
2 years ago
Read 2 more answers
Other questions:
  • during photosynthesis in Plants what is the source of carbon in the sugar molecule ( sorry know answer didn't know it was record
    14·2 answers
  • Which of the following statements is true?
    6·2 answers
  • the development of which type of microscope made it possible to create high-resolution three-dimensional images of living cells
    11·2 answers
  • Relative to rainfall, the tundra is most like what other biome
    8·1 answer
  • Why is it important that scientists haven’t identified a Lokiarchaeota cell yet?
    6·2 answers
  • What type of tissue is found on the surface of the ovaries?
    10·1 answer
  • A friend claims that the change of seasons arises completely from Earth’s distance from the Sun because Earth’s orbit is ellipti
    13·1 answer
  • Sheila weighs 60 kg and is riding a bike. Her momentum on the bike is 340 kg • m/s. The bike hits a rock, which stops it complet
    15·2 answers
  • What has a greater influence on protein levels? A. Protein degradation has a greater influence because they are denatured faster
    5·1 answer
  • A water molecule has to pass through various organelles of a plant cell before reaching the nucleus. List in order the path that
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!