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a_sh-v [17]
2 years ago
8

TWO METHODS USED TO CLEAN UP THE CONTAMINATION OF A POLLUTED ECOSYSTEM ARE DISPERSANTS AND BIOENGINEERED BACTERIA

Biology
1 answer:
elena-s [515]2 years ago
5 0

Chromatography and filtration if that's the answer you're looking for if not then don't heart this answer

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The brain volumes ​(cm cubed​) of 20 brains have a mean of 1116.2 cm cubed and a standard deviation of 127.7 cm cubed. Use the g
Shkiper50 [21]

Answer:

Yes

Explanation:

Range rule of thumb predicts the Range to be  a multiple of 4 of the standard deviation or to be four times  the standard deviation. Making the usual values equal to 2 standard deviations distanct of the mean of the data distribution.

In a given distribution with mean and standard deviation that is obtained, the usual values in mean (as seen in the attached image).

2*standard deviation and mean + 2*standard deviation.

If the data point is not up to the mean

- 2* standard deviation is taken to be significantly low.

If the data point is more than the mean

+ 2*standard deviation is taken to be significantly high.

Let's take the xbar to be the mean and s as standard deviaiton

Given,

mean, xbar = 1116.2

standard deviation, s =127.7

The range rule of thumb shows that the usual values are within 2 standard deviations from the mean

Lower boundary

      = xbar - 2s

       = 1116.2 - 2(127.7)

       = 860.8

Upper boundary

      = xbar + 2s

       = 1116.2 + 2(127.7)

       = 1371.6

We should note that 1411.6 is not between 860.8 and 1371.6, which connotes that 1411.6cm^3 is unusually high.

3 0
2 years ago
Why is a cell considered the basic unit of life?
vekshin1

Answer:

Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That's because all cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments.

5 0
2 years ago
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In what century is the cellular theory<br><br><br> En que siglo se planteó la teoría celular
Pepsi [2]
Cell theory was fdiscovered in the 17th century. but the first. cell theory was credited in the 19th century.
8 0
3 years ago
Which data help hydrologists predict floods? Select the two correct answers
Alika [10]

Answer:

Which data help hydrologists predict floods?

Impermeable land area

Snowpack

Explanation:

Impermeable land area , Snowpack

The above factors are very essential to an hydrologist to predict floods though other factors such as topography, drainage among others are also inclusive to make the prediction rightly.

3 0
2 years ago
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Select the proper cell parts listed below to fill in the blanks of the sentences that follow: 1. the is the semi-liquid portion
Margarita [4]
Cytosol is the cytoplasm of a cell

3 0
2 years ago
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