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Recientemente, un arqueólogo ha ______ nuevas ruinas mayas en Guatemala.

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Answered by Lorenzo R. • Spanish tutor
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What's the difference between Eukaryotic and Prokaryotic cells?

Eukaryotic cells have membrane-bound organelles such as the nucleus, the endoplasmic reticulum and the mitochondria which are not found in the prokaryotic cells. Examples of eukaryotic cells include animal a...
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Answered by Lorenzo R. • Biology tutor
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Smoking is a risk factor for many types of cancer. Explain how smoking can affect the development of cancer. Define risk factors in your answer.

Risk factor - factors that increase the likelihood of developing a diseaseThey may be intrinsic or extrinsic and include factors like age, sex and smoking - for cancerChemicals in cigarettes (including tar) ...
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Answered by Sebastian R. • Biology tutor
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Describe the similarities and differences between the processes of diffusion and osmosis.

Similarities:Molecules move from a higher to lower concentration in both processes - they move down a concentration gradientSo neither process requires energyDifferences:Only water moves by osmosis - which r...
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Answered by Sebastian R. • Biology tutor
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What do we learn about the relationship between Benedick and Beatrice from their opening interaction in 'Much Ado About Nothing'?

The conflict between Beatrice and Benedick dominates the first scene of ‘Much Ado About Nothing’, establishing theirs as one of the major relationships and source of action within the play. However, Beatrice...
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Answered by Roise D. • English tutor
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