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What are the 'weak' masculine nouns (N-Deklination)?

There is a small group of masculine nouns which have the ending -n or -en in the plural and in all singular cases except the nominative. Most of them refer to male humans and animals, e.g. der Affe, der Chin...
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Answered by Eszter H. • German tutor
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What is the difference between an ectotherm and an endotherm?

Ectotherms, including reptiles and amphibians, are organisms that don't possess the ability to generate sufficient heat to keep themselves warm. As such, they are dependent on environmental sources of heat, ...
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Answered by Ed S. • Biology tutor
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Lengths of two sides of the triangle and the angle between them are known. Find the length of the third side and the area of the triangle.

We don't know what type of a triangle we're considering here. Therefore the universal and quickest solution to the first problem is use of the cosine rule, which states that for a triangle with sides a,b and...
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Do batteries contain current, which comes out when they are in a circuit?

No; this is a common misconception! Batteries store energy, which is used to push electrons (charges) around a circuit. The flow of electrons is called current. As the electrons flow through the circuit they...
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Answered by Samuel S. • Physics tutor
4291 Views

What is anaerobic respiration?

Anaerobic respiration is the release of small amounts of energy in the cells by breaking down food substances in the absence of oxygen.
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Answered by Oisin B. • Biology tutor
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