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When is the subjunctive used in Spanish?

In Spanish, the subjunctive mood is used to communicate meanings which are subjective or less certain than the indicative mood. The indicative mood is used to express certainty and objectivity; whereas the s...
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Answered by Rachelle O. • Spanish tutor
3950 Views

How does an action potential cause contraction in skeletal muscle?

The point at which a motor neurone synapses with a muscle fibre is called the neuromuscular junction. The unmyelinated nerve fibre stops around 30 nanometers before the muscle fibre, leaving a gap called the...
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Answered by Orla M. • Biology tutor
11816 Views

how to integrate by parts

If you aren't lucky enough to be told in the question, the first thing we have to do is know when we should you integration by parts. Well, like most things in maths this should become second nature to you w...
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Answered by Tim M. • Maths tutor
5866 Views

Chinas One Child Policy: What, When, Why

WHAT -Based on reward and penalty approaches the One Child Policy encourages families to only have one child. -Those that have only one child receive priority for loans, materials, technical assistance and s...
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Answered by Amirah K. • Geography tutor
6273 Views

What does the double slit experiment tell us about light?

Imagine an opaque barrier (no light can get through) with two parallel slits in it, onto which we shine a coherent light source (light of only one wavelength and in phase - a laser, for example, can produce ...
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Answered by Adam O. • Physics tutor
9250 Views