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What is the composition of blood?

Blood consists of 4 different elements: 55% is PLASMA other 45% are 3 different components: red blood cells white blood cells platelets The main components we will focus on today are: white blood cells. If y...
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Answered by Alisha J. • Biology tutor
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Explore the themes of death, knowledge and nature in Wordsworth's "We are Seven". Refer closely to the poem in your answer.

In his preface to the 1800 edition of Lyrical Ballads, with Other Poems , William Wordsworth says of “We are Seven” that it evinces ‘the perplexity and obscurity which in childhood attend our notion of death...
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Answered by Tobin C. • English tutor
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What glacial processes change landscapes?

Erosion, weathering, transportation and deposition.
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Answered by Alexia H. • Geography tutor
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Why and how is blood glucose controlled in the body?

So before we understand this we need to quickly explain homeostasis. This is essentially the process by which the body maintains a constant internal environment. Our external environment changes all the time...
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Answered by Nuha A. • Biology tutor
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What are the types of river erosion?

There are four main types of river erosion. You can have hydraulic action, attrition, abrasion and solution. Hydraulic action is the power that the water has to simply break away bits of the river bed and ba...
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