Wednesday
December 11, 2013

# Posts by Shane

Total # Posts: 289

Biology
Mature phloem is a live tissue,whereas xylem is dead when mature.Explain why it is necessary for phloem to be alive to be functional,whereas xylem can function as dead tissue:

Biology
Explain why a plant needs to move food around,particularly from the leaves to other regions:

Biology
Explain what is meant by source to sink flow in phloem transport.

maths
Two patrol boats M3 and M7 leave port at the same time.M3 heads due west and M7 on a bearing 227 degrees.After 30 minutes M7 has travelled 18 nautical miles and observes M3 in a direction due south.(a)How far is M3 from M7? (b) How far has M3 travelled?

maths
A ship sails on a steady course bearing 106 degrees from A to B.If B is 76 nautical miles further east than A,find,to the nearest nautical mile,how far the ship has sailed?

maths
Thankyou

maths
After walking due west,turning and walking due south a man is 900 metres from his starting point and bearing 205 degrees from it.How far did he walk(a) westward?(b)southward?

science
Describe one benefit of the transpiration stream of a plant:

Science
Describe two features of internal anatomy that distinguish monocot and dicot roots.

Maths
In angle ABC,angle A=angle B=32degree and AB=108 mm,find the perpendicular height from C to the baseAB.

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