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Lesechka [4]
3 years ago
5

A scientist conducts an experiment to determine how the CO2 levels in ocean water affect the number of plants that can grow in t

he ocean. What is the dependent variable?  CO2 level Number of plants Plant height Types of plants
Chemistry
2 answers:
Jlenok [28]3 years ago
8 0

Answer:Number of plants.

Explanation:

When any experiment is conducted then there are two variables in the experiment. One of the variable is independent variable that we can change according to the need of the experiment.

Then the result of the experiment is known as dependent variable which depends on the independent variable.

Here, the concentration of carbon dioxide can be changed and is known as independent variable but the number of plants that will grow in the given carbon dioxide concentrations is dependent variable.

Alex73 [517]3 years ago
5 0

The dependent variable is 'Number of plants' which is the correct answer.

The independent variable is CO₂ levels in ocean water, however, the growth of plants in ocean water depends on the CO₂ levels. Higher CO₂ is level is conducive to the growth of plants.

Plants use CO₂ and water in photosynthesis to prepare food in the presence of light.

6CO₂ + 6H₂O + light energy = C₆H1₁₂O₆ + 6O₂.

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One number is three times of the other and their arithmetic mean is 10 find them​
Marysya12 [62]

x = 10, y = 20/6

<h3>Further explanation</h3>

Given

one number is three times of the other

their arithmetic mean is 10

Required

The numbers

Solution

Suppose the numbers you are looking for are x and y, then :

x = 3y (equation 1)

The arithmetic mean : the average of values

(x+3y)/2=10

x+3y = 20 (equation 2)

Substitute equation 1 into equation 2

3y+3y=20

6y=20

y = 20/6

from equation 1 :

x= 3 x 20/6

x = 60/6

x = 10

3 0
3 years ago
which of the following colors is highly variable and can be either cool or slightly warm depending on how it's used? a)gold b) o
joja [24]

Answer:

Blue

Explanation:

depending on how you use the color you can affect of the mood of the painting if there are dark blue clouds it seems dark but if you use light blue for the sky it can seem happy

4 0
3 years ago
Which is the function of the cytoplasm within a eukaryotic or prokaryotic cell?A.Transport materials within the cell.B.Control w
Radda [10]

Answer:

c maybe?

Explanation:

4 0
3 years ago
During _____________ there are 24 hours of daylight at the North Pole.
Tresset [83]

Answer:

summer

The North Pole stays in full sunlight all day long throughout the entire summer (unless there are clouds)

8 0
3 years ago
The water cycle is balanced because _____.
Inga [223]

The answer is; the average annual precipitation on Earth equals the amount of water that evaporates


This water cycle is also known as the hydrological cycle. At any one moment in the cycle, there is water lost from the biosphere to the atmosphere through evapotranspiration. The water in the atmosphere also precipitates back to earth surface as rain or snow and the cycle continues.  


6 0
3 years ago
Read 2 more answers
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