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katrin2010 [14]
3 years ago
11

Did the soil increase in the hubbard brook experiment

Biology
1 answer:
Sveta_85 [38]3 years ago
6 0
It increased slightly if you measure precisely but if you round it did not
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Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents and why?
Ludmilka [50]
The abiotic factor that is essential for all aquatic ecosystem with the exception of hydro thermal vent is SUNLIGHT, THIS IS BECAUSE IT PROVIDES A SOURCE OF ENERGY. 
Sunlight is very essential for aquatic ecosystems because it is the principal source of energy from which aquatic plants trap energy to make their food and provided mean of sustenance for themselves and other organisms in the water.
7 0
3 years ago
I observe that squirrels that live in the southeastern United States are much thinner than squirrels that live in the northeaste
stiv31 [10]

Answer:

No, it is not a scientific theory.

Explanation:

  • A scientific theory is a proposition that is made to explain the various phenomena that are occurring in nature and it is supported by experiments that have repeatability and well-analyzed results.
  • Scientific theories are usually tested in experiments under controlled conditions and verified as well.
  • In the given situation, the theory made by the observer is not being tested through any experimentation or quantification and therefore, it is just a hypothesis and not a scientific theory.

6 0
3 years ago
What does one cell become in mitosis?<br> and <br> what does one cell become in meiosis?
Romashka [77]

One cell produces two genetically identical daughter cells is both mitosis and meiosis.

5 0
3 years ago
Read 2 more answers
Which statement is correct concerning the process of ecological succession? Shrubs will replace pines during succession. Primary
Mariana [72]

Answer:

Option (2).

Explanation:

Ecological succession is the change in the ecological community of the species with respect to time. Two  types of the succession are  secondary succession and primary succession.

The ecological succession includes various transitional stages before reaching to the climax community. The simple species acquires first and then the climax species is reached at the end of the succession. Different changes are involved in the formation of climax community.

Thus, the correct answer is option (2).

3 0
3 years ago
A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color
gulaghasi [49]

Answer:

              Streak test is used to compare the properties of different minerals.  

Explanation:

                    Streak test is perform on rocks to check the properties of a mineral or rocks. If you have a piece of white floor tile, You can use it for the test. In this test we rub mineral on a piece of white tile Turn your tile so that the dull side faces up. Take your rocks one at a time and rub them back and forth over the surface of the tile and observe the color of the powder left behind which will tell about the type of mineral.

3 0
3 years ago
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