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How do I know when I need to use the subjunctive in Spanish?

This is a very common question amongst all Spanish-learners and sadly there isn't an answer that is completely 'set in stone'. This is because the subjunctive doesn't exist in English, which means it is d...

EL
Answered by Emma L. Spanish tutor
2069 Views

How do synapses work?

When an action potential reaches a presynaptic cell, it causes voltage-gated ion channels in the membrane to open, which allows Ca2+ to enter the cell. This Ca2+ diffuses into the cell from high to low co...

SB
Answered by Sam B. Biology tutor
3281 Views

f(x)=ln(3x+1), x>0 and g(x)=d/dx(f(x)), x>0, find expressions for f^-1 and g

f^-1(x)=(e^x-1)/3 g(x)=3/(3x+1)

GK
Answered by George K. Maths tutor
4332 Views

What are river cliffs and how are they formed?

River cliffs are features of meanders. In a meander the outside bank is where the Thalweg flows(fastest flowing part of the river), this means the velocity is greatest here so there is more available ener...

KD
Answered by Kitty D. Geography tutor
39210 Views

What is the conditional perfect, and how do you use it?

The conditional perfect, also called the past conditional (conditionnel passé), is used to express what would have happened. To form the conditional perfect, use the con...

EI
Answered by Ellen I. French tutor
18894 Views

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