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I dont know spanish sorry
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Electricity flows by the movement of electrons through conductors. If a bird perches on a wire with two feet there is no motivation to go through the birds' body so electrons choose the path of least resistance and continue to flow along the wire.
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The correct answer is A. Robert wanted to see if his theory was true that cigarette smoke will influence web-building in spiders.
Explanation:
In the scientific method and science, the correct term to define the explanation proposed by a scientist about the phenomenon or event he wants to study is a hypothesis. On the other hand, the term theory in science is used to refer to explanations that have been repeatedly proved or confirmed. This implies the idea "cigarette smoke will influence web-building in spiders" in Robert's experiment is a hypothesis and not a theory and therefore, the statement "Robert wanted to see if his theory was true that cigarette smoke will influence web-building in spiders" contains an incorrect use of a scientific term.
Answer:Maternal and paternal chromosomes are randomly distributed on either side of the metaphase plate. So for each pair there's a 50/50 chance as to which side the homologs will go on (8.17). We have 23 pairs each with 50/50 probabilities. That works out to 223 possible combinations of gametes from one human individual.
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