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Nervous communication is short range whereas hormonal communicaiton is long range ( acts over whole body)
Nervous communication is much faster than hormonal communication (has to pass through the bl...

5x -2y = 33 (substract) 5x + 8y = 18
-10y = 15
y = -1.5
5x + 8(-1.5) = 18
5x = 30
x= 6

When a salt is solid it forms a a crystaline structure and a fixed ionic lattice. This means the ions are stationary and cannot move in the solution and therefore is unable to conduct electricity. However...

Named flood management strategy: DamsDams are the classic hard engineering solution to flooding problems. A dam is a giant wall built across a river’s channel to impede its flow. Water builds up behind th...

It is really important to note here that there are no intermolecular force of attraction between the molecules, compared to simple covalent molecules. There are only strong covalent bonds which means that...