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The plane industry emerged between 1917-1980 and to a certain extent it did homogenise American culture. The plane helped Americans access the whole nation much more easily than ever before; increasing to...

The correct answer is number 1. Number 2 is incorrect because it uses the preterite tense, which denotes a punctual, completed action in the past rather than a continual state of being. Number 3 is incorr...

The egg cell is a specialised germ cell which has a haploid number of chromosomes in order to allow restoration of diploid number (46) at the time of fertilisation.The egg cell contains lipid droplets to ...

Lesson on organic synthesis ( Unit 4 OCR A )Step 1/ Slide 1: Teach (unless told that knowledge is known, tips and pointers still can be given). Step 2/ Slide 2: Worked example (if necessary)....

Think through inhalation and exhalation separately and the events step-wise. Be aware of the movements of your own chest when breathing in and out.Inhalation (breathing in):The external intercost...