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How do I form a question?

There are two formulas for creating a question in french. The first is adding "est-ce que" to the begining of the statement. Therefore the equation is, "est-ce que" + the subject + the ve...
MT
Answered by Megan T. • French tutor
2108 Views

When should I use the subjunctive?

The subjunctive is used to express desires, wishes, uncertainties, possibilities and doubts. For example, in Spanish when you wish to say 'I don't think it is sunny', you would use the subjunctive (No creo q...
MO
Answered by Matilda O. • Spanish tutor
2241 Views

Explain the inertness of noble gases

The noble gases (group 0) are incredibly inert. Indeed if we are performing reactions that are sensitive to air we will often perform them under an atmosphere of Argon, the third noble gas. But why?We must l...
JW
Answered by James W. • Chemistry tutor
9242 Views

Write down the value of 27^(-2/3)

We are trying to solve 27 -2/3 . Firstly, using the index rule a xy = (a x ) y , this can be rewritten as (27 1/3 ) -2 . Lets tackle the value inside the bracket first: 27 1/3 means the cube root of 27, and ...
ML
Answered by Matt L. • Maths tutor
7033 Views

Describe how the lungs are adapted for gas exchange.

We are going to look at how the lungs are adapted for gas exchange. In humans, we have two lungs. Air passes into the lungs through a tube called the trachea. The trachea splits into two smaller tubes called...
KG
Answered by Kausar G. • Biology tutor
3794 Views