Top answers

What can you see in the photo? What themes are covered?

Example photo: smokingIci, on voit quelqu'un qui fume une cigarette et boit un cafe. Il y a une serveuse qui apporte des boissons sur un plateau. Je pense que le bar est dehors et c'est la nuit. La personne ...
EC
Answered by Eve C. • French tutor
2564 Views

Describe a simple way to distinguish between aqueous solutions of potassium nitrate (KNO3) and potassium sulfate (K2SO4) using one test tube reaction

Add one of the following: barium chloride, barium hydroxide, barium nitrateObservation with potassium nitrate: colourless solution/ or no visible change or reaction) Observation with potassium sulfate: white...
RS
Answered by Rebecca S. • Chemistry tutor
10959 Views

How do you use the 'pluscuamperfecto' and how is it formed?

The ' pluscuamperfecto ' is equivalent to the pluperfect in English, here's an example:Ya había comido la cena cuando Juán me llamó. I had already eaten dinner when Juan rang me.So we can see that the pluscu...
TC
Answered by Thomas C. • Spanish tutor
2713 Views

Describe the conducting system of the heart.

The pacemaker cells of the sino-atrial node in the right atrium generate an impulse.This impulse travels through the atria, causing depolarisation of cardiac muscle cells and atrial contraction.The impulse w...
CP
Answered by Calum P. • Biology tutor
1583 Views

How do you use the present subjunctive and what is it?

The present subjunctive is not a new tense. It is a version of the present tense which needs to be used in certain situations. The subjunctive is used to express doubt or desire. To form the subjunctive, the...
EL
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