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GCSE

How do you form the imperfect past tense and what is the difference between the preterite and the imperfect tense?

The imperfect past tense is formed with the endings:AR verbs Yo - abatú - abasel/ella - aba nosotros - abamos vosotros - abais ellos/ellas - aban ER and IR verbs yo - ía tú - ías el/ella - ía nosotros - í...

LC
Answered by Lucy C. Maths tutor
3389 Views

Describe how ions, water and sugar are obtained and transported through plants. In your answer you should refer to materials moving upwards and downwards in a plant. (6 marks)

Since this is a 6 marker, it is important for you to firstly express yourself coherently, and secondly write the 'key words' that examiners look for. The question is referring to the transport pro...

ZI
Answered by Zahra I. Biology tutor
8906 Views

Balance the following equation for the formation of magnesium chloride: Mg + HCl --> MgCl2 + H

Mg + 2HCl --> MgCl2 + H2
There are two chlorines in magnesium chloride so you put a two in front of the hydrochloric acid. This means that you need to put a 2 aft...

HG
Answered by Helen G. Chemistry tutor
5307 Views

What is Ionic bonding?

Ionic bonding is bonding between a metal and a non-metal. This happens due to a transferal of electrons. For example a metal from group 2 such as Magnesium bonding to a non-metal from gro...

BB
Answered by Bobby B. Chemistry tutor
2738 Views

Mitosis is important in the life of a multi-cellular organism. Explain why and how mitosis works.

Mitosis allows for growth and development of a living organism. The genetic material inside each cell is doubled as the chromosomes are doubled. The chromosomes line up in the centre of the cell and are p...

HG
Answered by Helen G. Biology tutor
3628 Views

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