(2 marks) (2 marks)
Question 6
The diagram below shows a red blood cell in three different concentrated environments. The best
environment for the red blood cell is Y.
x
Z
Spherical
Biconcave
Crenated
Explain what has happened to the blood cell in environment Z and explain why this has
happened in terms of osmosis:

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

What is the scale factor of axyz to auvw?

On which number line are -3 and its opposite shown