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Svetllana [295]
3 years ago
5

BIOLOGY-STARS-THANKS-BRAINIEST

Biology
1 answer:
vova2212 [387]3 years ago
3 0

D. POPS.

Your answer is D because pesticides have aldrin, chlordane, .... which are all POPS.

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If a cell culture has 3 x 105 cells per ml , and the culture flasks hold 75 ml of culture each and you have 12 flasks, how many
natta225 [31]

There are 27 x 10⁷ cells in total for the given conditions of cell culture.

Since it is given that the cell culture contains 3 x 10⁵ cells per ml and there are 12 culture flasks in total. It is also given that each of the culture flask holds 75 ml of culture.

Therefore, to calculate the total capacity of the flasks the total number of flasks should be multiplied with the individual capacity of a flask:-

75 x 12 = 900 ml

Now, in order to calculate the total number of cells in the given culture., the total capacity of the flasks i.e. 900 ml should be multiplied with 3 x 10⁵ cells per ml in the following manner:-

900 x (3 x 10⁵) = 2700 x 10⁵ = 27 x 10⁷ cells

To learn more about cell culture here

brainly.com/question/1005896

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4 0
1 year ago
**Easy**quick**extra points**
12345 [234]

Answer:

A Trust me I'm a genius

Explanation:

I pretty sure it would only make sense to me

6 0
2 years ago
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Is the amplitude of each wave (P, ORS, T) always the same in different cardiac cycles?
Citrus2011 [14]

No the amplitude of each waves are different on different cardiac cycles.

<u>Explanation:</u>

  • The PQRST waves are used to represent the atrial and ventricular depolarization and repolarization.  These waves are reflected in ECG.  
  • In this as the series, p occupies the first place then QRS complex and at last T wave. In the QRS wave complex,  R wave is said to be the largest wave.  
  • The direction and amplitude of r wave depend on the electrical picture. The R wave represents the ventricles depolarization so it is the largest wave.
4 0
3 years ago
Which of these best describes the material inside Earth's mantle? Remains stationary Moves in a circular motion Rises up but doe
geniusboy [140]
Answer: The second answer because, the Earth's mantle is mainly a fluid, but sometimes a solid. It rises, but never sinks.

Hope his helped! <3
8 0
3 years ago
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What shape does the graph of a linear relationship take? ​
Nadusha1986 [10]

the answer is B: so it isa line

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