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pashok25 [27]
3 years ago
5

Cardiac muscle cells (fibers) that do not contract but instead create and conduct the action potential throughout the heart are

atrial fibers. autorhythmic fibers. ventricular fibers. contractile fibers.
Biology
1 answer:
FromTheMoon [43]3 years ago
4 0
The answer is true ......
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Which of the following is an example of an abiotic factor
zhuklara [117]

Answer;

d) The climate of the community in which the species mentioned above inhabit.

The climate of the community in which the species mentioned above inhabit is an example of an abiotic factor.

Explanation;

-An Ecosystem is a collection of living organisms (biotic factors) and nonliving things (abiotic factors), such as climate, soil, water, and rocks, in an area.

-Abiotic Factors are nonliving factors in ecosystem, such as moisture, temperature, wind, sunlight, soil, and minerals

5 0
3 years ago
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What percentage of offspring from a cross between a homozygous type A parent with a heterozygous Type A parent is expected to co
snow_lady [41]

The correct answer is option B, 50%

Let us take the following case:

Genotype of heterozygous parent - (Aa)

Genotype of homozygous parent – (aa)

Allele I  - (Aa)

Allele II – (aa)

The cross between the two is shown below:

Aa  X aa

Aa, Aa, aa, aa

There are 50 % Aa, and 50 % aa allele.  

Thus, the allele I (Aa) is 50 %.  

8 0
3 years ago
Which of these is an example of a conclusion?
Nimfa-mama [501]

Answer:

B

Explanation:

a conclusion is a definite wrap up to a theory or experiment, in option A the experiment is ongoing, option c, the option is still a theory, option D is your question that made you experiment not the conclusion, therefore b is the conclusion since it gives a definite answer to the problem/experiment

Hope this helps!

3 0
3 years ago
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How would the increase of deforestation affect the amount of carbon in the atmosphere?
Flura [38]
First deforestation takes away trees which help absorb the carbon in the air and second if you burn the trees you release the carbon in the trees
6 0
3 years ago
For an assignment, Alexis has to write a scientific question. She writes, " How much fat in food can cause brain cancer ? " How
konstantin123 [22]

Answer:

Will eating too much fat in food cause brain cancer?

Explanation:

A good scientific question is one that can have an answer and be tested. Avoid how and why questions.

3 0
3 years ago
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