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GaryK [48]
3 years ago
7

Which of the following describes a properly controlled expieriment

Biology
1 answer:
Nostrana [21]3 years ago
7 0

Answer:

a controlled experiment minimizes the effects other than the independent variable

Explanation:

that will increase the reliability of the results

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Name two types of cells
tresset_1 [31]

Answer:

Animal cells and plant cells  

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The net primary production of a pine forest on a lava flow on Mount Fuji is about 165,000 kcal/m2/yr, and the plant respiration
IceJOKER [234]

Answer:

<em>The total amount of energy transferred during photosynthesis for this ecosystem equals</em><em> 260,000 kcal/m2/yr.</em>

Explanation:

To answer this question, we need to know that  

  • gross primary productivity (GPP) = energy captured and converted into chemical energy during photosynthesis
  • net primary productivity (NPP) = difference between GPP and respiration rate

So, to calculate GPP we need to sum NPP to Respiration rate. This if,

NPP = 165,000 kcal/m2/yr

R = 95,000 kcal/m2/yr

NPP = GPP – Respiration

Then,

GPP = NPP + R

GPP = 165,000 kcal/m2/yr + 95,000 kcal/m2/yr

GPP = 260,000 kcal/m2/yr

7 0
3 years ago
which of the following produces the energy, initial motion and direction of the surface current of the ocean
hoa [83]
Wind produces the energy, initial motion and direction of the surface current of the ocean.A<span>n </span>ocean current<span> is a seasonal directed movement of seawater.
</span>Surface ocean<span> currents are primarily </span>affected<span> by </span>wind. The Gulf Stream is example of it. <span>Trade </span>winds<span> push </span>water<span> along the top of the </span>ocean<span> and this results in formation of surface currents.</span>
6 0
3 years ago
Read 2 more answers
Luke poles of magnets attract each other true or false ​
Gelneren [198K]

Answer:

yes, like poles can attract each other

Explanation:

this is when a magnet is one side north and the other south. They dont attract and repel when it it (north,north) and (south, south)

6 0
3 years ago
what variable is measured in a experiment? A. independent variable B. experimental variable c. Dependent variable
Damm [24]
C. Dependent variable

The independent variable is what you want to change (ex amount of light given to plants)

The dependent variable is what changes because of the independent variable (ex the height of the plants)

So Independent is what you change, Dependent is what you measure
5 0
3 years ago
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