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Andrew [12]
3 years ago
8

What is the mean of 20.0 20.5 21.10 21.5 22.0 22.0 22.5 22.5 23.0 23.0

Biology
1 answer:
Amanda [17]3 years ago
3 0

13.4 is the answer to your question.

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How does an increase in the use of coal affect biodiversity and air and water quality in a region?​
egoroff_w [7]

Answer:

by developing more efficient methods of mining coal  

Explanation:

Coal is a combustible black or brownish black sedimentary rock. Coal is produced by the dead plant matter. It is a fossil fuel that is used for generating electricity in the thermal power plants, used as cooking fuel, and fuel in automobiles. The burning of the coal results in the liberation of carbon dioxide, sulphur dioxide and carbon monoxide gases in the environment. These gases are responsible for causing the air pollution.

Developing more efficient methods of mining coal is not a conservation tactic related to coal consumption because the more the efficient mining will promote the excavation of the coal, which will further contribute to its extensive consumption and air pollution.

3 0
2 years ago
What conclusion can you draw from the following data?
Maksim231197 [3]
More butterflies are spotted in warmer temperatures. There is an increase of butterflies spotted when the weather gets warmer.
8 0
3 years ago
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What structure do grass frogs use to detect sound waves​
stiv31 [10]

Answer:

The tympanic membrane and stapes of the bullfrog can be driven by airborne sound over a wide frequency range, with a broad maximum in their velocity amplitudes between 0.4 and 2 kHz (Mason and Narins, 2002a).

4 0
3 years ago
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What would be the base sequence for the complementary DNA formed from the strand of DNA shown below? ATG CT
Bogdan [553]

The four nitrogenous bases in DNA are adenine, guanine, cytosine, and thymine. They pair A-T, G-C and when transfering with RNA, A-U, which is known as Uracil, so, the pairs would be...

ATGCT

↓↓↓↓↓

UACGA

I hope this helps!

5 0
3 years ago
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The table in Figure 12-2 shows the percentages of bases in a DNA sample. How much Thymine should you expect to find in the sampl
pickupchik [31]

Answer:

22% Thymine

Explanation:

There should be 22% Thymine because of Thymine pairs with Adenine, which on the table is shown to be 22%. (the complementary  base pair are always equal). and the same would apply to Guanine (28%) and cytosine (28%).  

4 0
3 years ago
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