Search over 10,000 free study notes

Blood consists of 4 different elements: 

1. 55% is PLASMA 
   
2. other 45% are 3 different components: 
   

• red blood cells
  
• w...

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 noti...

Erosion, weathering, transportation and deposition.

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 t...

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...