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Dahasolnce [82]
3 years ago
13

Sickle cell disease is caused by a:

Biology
1 answer:
Tanzania [10]3 years ago
5 0
I think the correct answer from the choices listed above is option A. Sickle cell disease is caused by a change in allele. It is a disorder of the blood caused by an inherited abnormal hemoglobin. Hope this answers the question. Have a nice day.
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The maximum number of wolves that can survive in a particular forest is 230. What is this number called?
levacccp [35]
The answer is a carrying capacity.

The carrying capacity is the maximum size of some population, for example, wolves population, that can survive in the given environment, in this case, the forest. It represents the number of animals that can live, reproduce, survive in the given area regarding the indefinite sustainability of this area in terms of resources (food, water, habitat, etc.)
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3 years ago
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alexandr402 [8]

Answer:semestic waves and surface waves

Explanation:

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pashok25 [27]
Can you reright it in English?
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3 years ago
Right answer gets brainliest!!!!!!!!!!!!!
rosijanka [135]
<h2><em><u>Answer:</u></em></h2>

The five steps that are always taken in scientific research are;

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  • establishing a hypothesis
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<h2><em><u>Explanation:</u></em></h2>
  • Arya already performs the first two steps; as she first recognize the problem i.e. she observes the dry glass and she also formulate a hypothesis that "the water content in the soil is about two-thirds lower than that of other yards in the area"

  • Now she will collect the data and conduct the experiment on the soil and glass and then she will assemble the conclusion based on the results.Now she will collect the data and conduct the experiment on the soil and glass and then she will assemble the conclusion based on the results.

6 0
2 years ago
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A. what is a positively charged ion; an atom which has lost an electron
a_sh-v [17]
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A negatively charged ion is called anion.
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pH is a measure of the hydrogen ion concentration in a solution.
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