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In what ways did the lives of black Americans change during WWII?

The change brought by the war for black Americans was limited and contested. The war presented new demands for labour, generating opportunities for African Americans (AA) to economically participate, gain sk...
AS
Answered by Abigail S. History tutor
16150 Views

Explain the unusually high boiling point of HF

Due to the high electronegativity of flourine hydrogen bonds can be formed between HF molecules. - Hydrogen bonds require more energy to break that London Forces. - The other halogens are not as electronegat...
CG
Answered by Chloe G. Chemistry tutor
31627 Views

Identify 3 different antibiotics and describe how they work.

Antibiotics are important for treating bacterial infections that may be making us ill. There are many different antibiotics that work in different ways, and therefore they are suitable for treating different...
MH
Answered by Madeleine H. Biology tutor
3927 Views

How is the perfect tense constructed?

The perfect tense is made up of two parts: the auxiliary (helping) verb and the past participle. These are two separate words and must both be present to construct the perfect tense. The auxiliary verb is ei...
JH
Answered by Juliet H. French tutor
2650 Views

Explain the resistance of and electrical component and what affects its value in a wire.

Resistance primarily is 'how difficult it is for an electron to travel through a material'. When the electron travels through a material, it collides with ions which causes it to lose energy with each collis...
JH
Answered by John H. Physics tutor
4926 Views