Top answers


What role does the respiratory system play in humans?

The respiratory system is a collection of organs working together in order to oxygenate the blood and remove the waste product carbon dioxide. The respiratory system uses a method of gaseous exchange in the ...
KM
Answered by Kelsey M. • Biology tutor
4085 Views

What is the grammatical aspect in Greek for?

The grammatical aspect indicates whether an action is/was completed or not. The perfective aspect (as in aorist, aorist infinitives) shows that the action was completed, often that it was a successful or one...
KJ
4827 Views

Capitalisation: Countries and nationalities

While we always capitalise the first letter of all countries and nationalities in written English, the same cannot be said for written French. While in French, countries are also always capitalised, whether ...
VL
Answered by Vivienne L. • French tutor
26377 Views

How do I expand a factorised equation?

Firstly put the equation into the the form (x+a)(x+b) this will make things easier later on. Therefore, an equation such as (x+1) 2 would become (x+1)(x+1) Next expand the brackets. To do this simply multipl...
EG
Answered by Emily G. • Maths tutor
4021 Views

How do I form an imperfect subjunctive 'if' clause

Firstly, form the imperfect subjunctive. To do this put the verb in the third person of the preterite (comer becomes comieron). Now drop the -ron leaving comie. Then add the Imperfect Subjunctive endings... ...
EG
Answered by Emily G. • Spanish tutor
3493 Views