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Describe and explain how fish are adapted for gas exchange.

Fish gills are made up of thin plates called gill filaments, which are covered in structures called lamallae. Both the gill filaments and lamellae provide a...

NF
Answered by Natalie F. Biology tutor
24978 Views

Can you explain Anselm's ontological argument?

Firstly, its named after Anselm of Canterbury and is called an ontological argument because it is intended to demonstrate the existence of something; namely God in this case. Formalised the argument runs...

Answered by Philosophy tutor
2149 Views

Describe and explain the changes in river velocity along its long profile and the channel characteristics associated with these changes.

At it's source a river has high gravitational potential energy (GPE) because of it's height above it's base level (generally the sea or a lake). This GPE translates into high velocity and therefore high e...

CS
Answered by Chris S. Geography tutor
5763 Views

How accurate is it to say that the nature of government under Lenin and Stalin was markedly different?

One of the most important things to do when answering a question like this is explain the links between your factors. You also need to establish criteria by which the question can be judged. You need to s...

Answered by History tutor
10000 Views

A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4metres. Calculate the maximum speed of the particle.

Question: A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4 metres. Calculate the maximum speed of the particle. ...

3139 Views

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