E In the Venn diagram in Fig. 8.8 the numbers
of elements are as shown.
P
- 16
4
- 11
Fig. 8.8
Given that n(P U Q) = n(PU Q)', find x and
hence find n(E).​

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation:

a magnifying glass is a convex lens which produces a magnified image of an object. for a magnified image to be observed the distance between the object and the lens has to be shorter than the focal length of the lens.